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Contra Costa County, California (CA)

County population in 2016: 1,135,127 (99% urban, 1% rural); it was 948,816 in 2000
County owner-occupied with a mortgage or a loan houses and condos in 2010: 202,821
County owner-occupied free and clear houses and condos in 2010: 49,083
County owner-occupied houses and condos in 2000: 238,413
Renter-occupied apartments: 123,460 (it was 105,716 in 2000)
% of renters here:

31%
State:

44%

Land area: 720 sq. mi.

Water area: 82.2 sq. mi.

Population density: 1577 people per square mile   (very high).

Mar. 2016 cost of living index in Contra Costa County: 136.2 (high, U.S. average is 100)

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Industries providing employment: Professional, scientific, management, administrative, and waste management services (28.1%), Educational, health and social services (16.5%), Finance, insurance, real estate, and rental and leasing (16.3%).

Type of workers:

  • Private wage or salary: 63%
  • Government: 7%
  • Self-employed, not incorporated: 30%
  • Unpaid family work: 0%
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Contra Costa County races chart

Races in Contra Costa County, California:

  • White Non-Hispanic Alone (44.3%)
  • Hispanic or Latino (25.4%)
  • Asian alone (15.9%)
  • Black Non-Hispanic Alone (8.2%)
  • Two or more races (5.3%)
  • Native Hawaiian and Other Pacific Islander alone (0.4%)
Median resident age:  39.5 years
California median age:  36.4 years
Males: 554,517  (48.9%)
Females: 580,610  (51.1%)
Contra Costa County, CA forum
Recent posts about Contra Costa County, California on our local forum with over 2,000,000 registered users. Contra Costa County is mentioned 774 times on our forum:
Is(will) the Tri-Valley Asian population boom spreading North into Danville, WC, and Lamorinda?  (250 replies)
Contra Costa County Named the Best Place to Grow Up in the Bay Area  (12 replies)
What are your favorite/least favorite counties in California?  (59 replies)
Where have YOU lived in California?  (97 replies)
California screws everyone with ridiculous housing and insane taxes  (218 replies)
San Diego or Orange County??  (337 replies)

Contra Costa County,CA real estate house value trend

Average household size:
Contra Costa County:

2.0 people
California:

3 people
Estimated median household income in 2016: $91,045 ($63,675 in 1999)

This county:

$91,045
California:

$67,739

Median contract rent in 2016 for apartments: $1,590 (lower quartile is $1,144, upper quartile is $1,971)
This county:

$1590
State:

$1252


Estimated median house or condo value in 2016: $577,000 (it was $253,800 in 2000)
Contra Costa:

$577,000
California:

$477,500
Lower value quartile - upper value quartile: $384,400 - $901,300

Mean price in 2016:

Detached houses: $729,481
Here:

$729,481
State:

$662,746

Townhouses or other attached units: $499,352
Here:

$499,352
State:

$572,965

In 2-unit structures: $501,340
Here:

$501,340
State:

$907,600

In 3-to-4-unit structures: $458,253
Here:

$458,253
State:

$578,996

In 5-or-more-unit structures: $358,177
Here:

$358,177
State:

$548,947

Mobile homes: $62,611
Here:

$62,611
State:

$109,501

Occupied boats, RVs, vans, etc.: $43,685
Here:

$43,685
State:

$63,398
Median monthly housing costs for homes and condos with a mortgage: $2,502
Median monthly housing costs for units without a mortgage: $681

Institutionalized population: 5,346

Crime in 2005 (reported by the sheriff's office or county police, not the county total):

  • Murders: 11
  • Rapes: 38
  • Robberies: 159
  • Assaults: 429
  • Burglaries: 1019
  • Thefts: 2690
  • Auto thefts: 28

Crime in 2004 (reported by the sheriff's office or county police, not the county total):

  • Murders: 11
  • Rapes: 35
  • Robberies: 128
  • Assaults: 326
  • Burglaries: 850
  • Thefts: 2759
  • Auto thefts: 21
Contra Costa County, CA map from a distance

Health of residents in Contra Costa County based on CDC Behavioral Risk Factor Surveillance System Survey Questionnaires from 2003 to 2012:

General health status score of residents in this county from 1 (poor) to 5 (excellent) is 3.7. This is better than average.
80.3% of residents exercised in the past month. This is about average.
42.5% of residents smoked 100+ cigarettes in their lives. This is about average.
87.8% of adult residents drank alcohol in the past 30 days. This is more than average.
80.2% of residents visited a dentist within the past year. This is more than average.
Average weight of males is 195 pounds. This is about average.
Average weight of females is 155 pounds. This is less than average.

Single-family new house construction building permits:

  • 2000: 4185 buildings, average cost: $204,900
  • 2001: 4144 buildings, average cost: $206,600
  • 2002: 5071 buildings, average cost: $238,900
  • 2003: 5033 buildings, average cost: $252,000
  • 2004: 4345 buildings, average cost: $259,700
  • 2005: 5513 buildings, average cost: $288,700
  • 2006: 3368 buildings, average cost: $296,100
  • 2007: 2753 buildings, average cost: $297,100
  • 2008: 1023 buildings, average cost: $280,700
  • 2009: 1076 buildings, average cost: $240,500
  • 2010: 890 buildings, average cost: $243,200
  • 2011: 729 buildings, average cost: $235,700
  • 2012: 1268 buildings, average cost: $258,500
  • 2013: 1681 buildings, average cost: $249,700
  • 2014: 1503 buildings, average cost: $265,000

Number of permits per 10,000 residents

Average cost (in $1000s)

Presidential Elections Results

1996 2000 2004 2008 2012 2016

1996 Presidential Elections Results

2000 Presidential Elections Results

2004 Presidential Elections Results

2008 Presidential Elections Results

2012 Presidential Elections Results

2016 Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Median real estate property taxes paid for housing units with mortgages in 2016: $5,481 (0.9%)
Median real estate property taxes paid for housing units with no mortgage in 2016: $3,443 (0.7%)

Contra Costa County household income distribution in 2009 Contra Costa County home values distribution Contra Costa County contract rent distribution in 2009
Percentage of residents living in poverty in 2016: 8.6%
Contra Costa County:

8.6%
California:

14.3%
(5.0% for White Non-Hispanic residents, 15.5% for Black residents, 13.9% for Hispanic or Latino residents, 13.6% for American Indian residents, 12.6% for Native Hawaiian and other Pacific Islander residents, 16.7% for other race residents, 11.2% for two or more races residents)

Median age of residents in 2016: 39.5 years old
(Males: 38.1 years old, Females: 40.6 years old)
(Median age for: White residents: 47.7 years old, Black residents: 37.3 years old, American Indian residents: 53.4 years old, Asian residents: 41.5 years old, Hispanic or Latino residents: 29.8 years old, Other race residents: 30.2 years old)

Area name: Oakland-Fremont, CA HUD Metro FMR Area
Fair market rent in 2006 for a 1-bedroom apartment in Contra Costa County is $1045 a month.
Fair market rent for a 2-bedroom apartment is $1238 a month.
Fair market rent for a 3-bedroom apartment is $1679 a month.

Cities in this county include: Central Contra Costa, West Contra Costa, Concord, Richmond, Antioch, East Contra Costa, Walnut Creek, Pittsburg, San Ramon, Danville.

Contra Costa County has a predicted average indoor radon screening level between 2 and 4 pCi/L (pico curies per liter) - Moderate Potential
Zip codeCityNumber of testsNumber of tests >= 4 pCi/L
94506Danville191
94507Alamo50
94509Antioch80
94511Bethel Island20
94513Brentwood50
94514Byron80
94516Canyon20
94517Clayton60
94518Concord191
94519Concord50
94520Concord160
94521Concord173
94523Pleasant Hill251
94524Concord270
94525Crockett10
94526Danville410
94528Diablo30
94530El Cerrito200
94531Antioch20
94547Hercules70
94549Lafayette722
94553Martinez223
94556Moraga190
94561Oakley30
94563Orinda310
94564Pinole110
94565Pittsburg292
94583San Ramon403
94595Walnut Creek60
94596Walnut Creek361
94597Walnut Creek382
94598Walnut Creek273
94801Richmond50
94803El Sobrante70
94804Richmond310
94805Richmond101
94806San Pablo280

2012 air pollution in Contra Costa County:

Carbon Monoxide: 0.319 ppm (standard limit: 9 ppm). Near U.S. average.
Nitrogen Dioxide: 0.01 ppm (standard limit: 0.053 ppm). Near U.S. average.
Ozone (1-hour): 0.026 ppm (standard limit: 0.12 ppm). Near U.S. average.
Particulate Matter (PM10) Annual: 12.6 µg/m3. Near U.S. average.
Particulate Matter (PM2.5) Annual: 6.7 µg/m3(standard limit: 15.0 µg/m3). Below U.S. average.
Sulfur Oxides Annual: 0.000 ppm (standard limit: 0.03 ppm). Near U.S. average.

Click to draw/clear Contra Costa County borders

Unemployment in September 2015:
Here:

4.4%
California:

5.5%

Unemployment by year (%)

County total employment by year

County average yearly wages by year ($)

Current college students: 61,975
People 25 years of age or older with a high school degree or higher: 89.3%
People 25 years of age or older with a bachelor's degree or higher: 41.5%

Number of foreign born residents: 284,394 (52.7% naturalized citizens)

Contra Costa County:

25.1%
Whole state:

27.2%

Year of entry for the foreign-born population

  • 2010 or later: 43,978
  • 2000 to 2009: 74,381
  • 1990 to 1999: 68,398
  • 1980 to 1989: 55,414
  • 1970 to 1979: 30,438
  • Before 1970: 28,404
Note: State values scaled to Contra Costa County population

Mean travel time to work (commute): 34.4 minutes

Percentage of county residents living and working in this county: 57.6%

Contra Costa County marital status for males Contra Costa County marital status for females

Housing units in structures:

  • One, detached: 271,860
  • One, attached: 33,420
  • Two: 8,565
  • 3 or 4: 21,512
  • 5 to 9: 17,570
  • 10 to 19: 12,524
  • 20 to 49: 13,039
  • 50 or more: 24,411
  • Mobile homes: 7,547
  • Boats, RVs, vans, etc.: 366

Housing units in Contra Costa County with a mortgage: 185,255 (4,571 second mortgage, 29,521 home equity loan, 2,066 both second mortgage and home equity loan)
Houses without a mortgage: 65,215

Here:

74.0% with mortgage
State:

71.1% with mortgage

Religion statistics for Contra Costa County

ReligionAdherentsCongregations
Catholic228,40034
Evangelical Protestant81,120352
Other48,553123
Mainline Protestant32,693101
Black Protestant10,39534
Orthodox2,4358
None645,429-
Contra Costa County Religion Details
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center.

Food Environment Statistics:

Number of grocery stores: 181
Contra Costa County:

1.78 / 10,000 pop.
State:

2.14 / 10,000 pop.

Number of supercenters and club stores: 5
Here:

0.05 / 10,000 pop.
California:

0.04 / 10,000 pop.

Number of convenience stores (no gas): 52
This county:

0.51 / 10,000 pop.
California:

0.62 / 10,000 pop.

Number of convenience stores (with gas): 178
Contra Costa County:

1.75 / 10,000 pop.
California:

1.49 / 10,000 pop.

Number of full-service restaurants: 683
This county:

6.73 / 10,000 pop.
State:

7.42 / 10,000 pop.

Adult diabetes rate:
Contra Costa County:

7.1%
California:

7.3%

Adult obesity rate:
Contra Costa County:

22.2%
State:

21.3%

Low-income preschool obesity rate:
Here:

16.8%
State:

17.9%

Agriculture in Contra Costa County:

Average size of farms: 213 acres
Average value of agricultural products sold per farm: $152,383
Average value of crops sold per acre for harvested cropland: $3004.95
The value of nursery, greenhouse, floriculture, and sod as a percentage of the total market value of agricultural products sold: 46.69%
The value of livestock, poultry, and their products as a percentage of the total market value of agricultural products sold: 13.33%
Average total farm production expenses per farm: $119,609
Harvested cropland as a percentage of land in farms: 20.59%
Irrigated harvested cropland as a percentage of land in farms: 88.50%
Average market value of all machinery and equipment per farm: $47,274
The percentage of farms operated by a family or individual: 84.29%
Average age of principal farm operators: 58 years
Average number of cattle and calves per 100 acres of all land in farms: 16.45
Corn for grain: 3236 harvested acres
All wheat for grain: 1540 harvested acres
Vegetables: 6,141 harvested acres
Land in orchards: 5,821 acres

Earthquake activity:

Contra Costa County-area historical earthquake activity is near California state average. It is 752% greater than the overall U.S. average.

On 4/18/1906 at 13:12:21, a magnitude 7.9 (7.9 UK, Class: Major, Intensity: VIII - XII) earthquake occurred 51.4 miles away from Contra Costa County center, causing $524,000,000 total damage
On 10/18/1989 at 00:04:15, a magnitude 7.1 (6.5 MB, 7.1 MS, 6.9 MW, 7.0 ML) earthquake occurred 59.7 miles away from the county center, causing 62 deaths (62 shaking deaths) and 3757 injuries, causing $1,305,032,704 total damage
On 11/4/1927 at 13:51:53, a magnitude 7.5 (7.5 UK) earthquake occurred 217.1 miles away from the county center
On 7/21/1952 at 11:52:14, a magnitude 7.7 (7.7 UK) earthquake occurred 265.3 miles away from the county center, causing $50,000,000 total damage
On 1/31/1922 at 13:17:28, a magnitude 7.6 (7.6 UK) earthquake occurred 267.0 miles away from Contra Costa County center
On 4/25/1992 at 18:06:04, a magnitude 7.2 (6.3 MB, 7.1 MS, 7.2 MW, 7.1 MW, Depth: 9.4 mi) earthquake occurred 198.3 miles away from the county center, causing $75,000,000 total damage
Magnitude types: body-wave magnitude (MB), local magnitude (ML), surface-wave magnitude (MS), moment magnitude (MW)

Most recent natural disasters:

  • California Severe Storms, Flooding, Mudslides, and Landslides, Incident Period: December 17, 2005 to January 03, 2006, Major Disaster (Presidential) Declared DR-1628: February 03, 2006, FEMA Id: 1628, Natural disaster type: Storm, Mudslide, Landslide, Flood
  • California Hurricane Katrina Evacuation, Incident Period: August 29, 2005 to October 01, 2005, Emergency Declared EM-3248: September 13, 2005, FEMA Id: 3248, Natural disaster type: Hurricane
  • California Severe Winter Storms and Flooding, Incident Period: February 02, 1998 to April 30, 1998, Major Disaster (Presidential) Declared DR-1203: February 09, 1998, FEMA Id: 1203, Natural disaster type: Winter Storm, Flood
  • California Severe Storms/Flooding, Incident Period: December 28, 1996 to April 01, 1997, Major Disaster (Presidential) Declared DR-1155: January 04, 1997, FEMA Id: 1155, Natural disaster type: Storm, Flood
  • California Severe Winter Storms, Flooding, Landslides, Mud Flows, Incident Period: February 13, 1995 to April 19, 1995, Major Disaster (Presidential) Declared DR-1046: March 12, 1995, FEMA Id: 1046, Natural disaster type: Winter Storm, Landslide, Flood
  • California Severe Winter Storms, Flooding, Landslides, Mud Flows, Incident Period: January 03, 1995 to February 10, 1995, Major Disaster (Presidential) Declared DR-1044: January 10, 1995, FEMA Id: 1044, Natural disaster type: Winter Storm, Landslide, Flood
  • California Severe Storm, Winter Storm, Mud & Landslides, Flooding, Incident Period: January 05, 1993 to March 20, 1993, Major Disaster (Presidential) Declared DR-979: February 03, 1993, FEMA Id: 979, Natural disaster type: Winter Storm, Storm, Landslide, Flood
  • California Loma Prieta Earthquake, Incident Period: October 17, 1989 to December 18, 1989, Major Disaster (Presidential) Declared DR-845: October 18, 1989, FEMA Id: 845, Natural disaster type: Earthquake
  • California SEVERE STORMS, FLOODING, Incident Period: February 12, 1986 to March 10, 1986, Major Disaster (Presidential) Declared DR-758: February 21, 1986, FEMA Id: 758, Natural disaster type: Storm, Flood
  • California COASTAL STORMS, FLOODS, SLIDES, TORNADOES, Incident Period: January 21, 1983 to March 30, 1983, Major Disaster (Presidential) Declared DR-677: February 09, 1983, FEMA Id: 677, Natural disaster type: Storm, Tornado, Flood
  • 4 other natural disasters have been reported since 1953.

The number of natural disasters in Contra Costa County (14) is near the US average (13).
Major Disasters (Presidential) Declared: 11
Emergencies Declared: 3

Causes of natural disasters: Floods: 10, Storms: 7, Landslides: 4, Winter Storms: 4, Mudslides: 2, Drought: 1, Earthquake: 1, Hurricane: 1, Tornado: 1, Wind: 1 (Note: Some incidents may be assigned to more than one category).

Class of Workers in 2016 (%)

Most common industries in 2016 (%)
Males Females
  • Health care and social assistance (19%)
  • Educational services (10%)
  • Retail trade (9%)
  • Professional, scientific, and technical services (8%)
  • Accommodation and food services (6%)
  • Finance and insurance (6%)
  • Other services, except public administration (5%)
  • Health care and social assistance (22%)
  • Educational services (11%)
  • Retail trade (11%)
  • Professional, scientific, and technical services (9%)
  • Accommodation and food services (7%)
  • Finance and insurance (7%)
  • Other services, except public administration (6%)
Most common occupations in 2016 (%)
Males Females
  • Management occupations (15%)
  • Sales and related occupations (10%)
  • Construction and extraction occupations (9%)
  • Office and administrative support occupations (7%)
  • Computer and mathematical occupations (6%)
  • Building and grounds cleaning and maintenance occupations (6%)
  • Business and financial operations occupations (5%)
  • Office and administrative support occupations (16%)
  • Sales and related occupations (12%)
  • Management occupations (11%)
  • Education, training, and library occupations (9%)
  • Personal care and service occupations (8%)
  • Business and financial operations occupations (8%)
  • Health diagnosing and treating practitioners and other technical occupations (6%)

Most common places of birth for the foreign-born residents (%):

  • Mexico (25%)
  • Philippines (12%)
  • India (8%)
  • China, excluding Hong Kong and Taiwan (7%)
  • El Salvador (7%)
  • Vietnam (3%)
  • Iran (2%)

Most common first ancestries reported in Contra Costa County (%):

  • German (3%)
  • American (3%)
  • Italian (3%)
  • European (3%)
  • Irish (3%)
  • English (2%)
  • Russian (1%)

Contra Costa County mode of transportation to work chart

Means of transportation to work:

  • Drove a car alone: 293,385 (74.3%)
  • Carpooled: 42,686 (10.8%)
  • Bus or trolley bus: 2,630 (0.7%)
  • Subway or elevated: 3,355 (0.8%)
  • Railroad: 457 (0.1%)
  • Ferryboat: 78 (0.0%)
  • Taxicab, motorcycle, or other means: 4,811 (1.2%)
  • Bicycle: 3,174 (0.8%)
  • Walked: 10,812 (2.7%)
  • Worked at home: 33,345 (8.4%)

Owners and renters by unit type in %

Breakdown of mean house values by ages of householders ($)


People in group quarters in Contra Costa County, California in 2000:

  • 3,106 people in other noninstitutional group quarters
  • 3,081 people in nursing homes
  • 1,626 people in local jails and other confinement facilities (including police lockups)
  • 1,473 people in college dormitories (includes college quarters off campus)
  • 400 people in other group homes
  • 262 people in homes for the mentally retarded
  • 213 people in homes or halfway houses for drug/alcohol abuse
  • 180 people in short-term care, detention or diagnostic centers for delinquent children
  • 146 people in agriculture workers' dormitories on farms
  • 135 people in religious group quarters
  • 124 people in homes for the mentally ill
  • 100 people in training schools for juvenile delinquents
  • 78 people in hospitals/wards and hospices for chronically ill
  • 72 people in other hospitals or wards for chronically ill
  • 67 people in homes for the physically handicapped
  • 63 people in other nonhousehold living situations
  • 46 people in mental (psychiatric) hospitals or wards
  • 38 people in schools, hospitals, or wards for the mentally retarded
  • 35 people in halfway houses
  • 31 people in institutions for the blind
  • 25 people in hospitals or wards for drug/alcohol abuse
  • 24 people in crews of maritime vessels
  • 22 people in military barracks, etc.
  • 19 people in homes for abused, dependent, and neglected children
  • 17 people in residential treatment centers for emotionally disturbed children
  • 16 people in unknown juvenile institutions
  • 10 people in other workers' dormitories
  • 6 people in hospices or homes for chronically ill

People in group quarters in Contra Costa County, California in 2010:

  • 3,306 people in nursing facilities/skilled-nursing facilities
  • 1,568 people in college/university student housing
  • 1,368 people in local jails and other municipal confinement facilities
  • 884 people in other noninstitutional facilities
  • 782 people in group homes intended for adults
  • 713 people in workers' group living quarters and job corps centers
  • 616 people in emergency and transitional shelters (with sleeping facilities) for people experiencing homelessness
  • 402 people in residential treatment centers for adults
  • 304 people in correctional facilities intended for juveniles
  • 218 people in group homes for juveniles (non-correctional)
  • 84 people in federal detention centers
  • 36 people in in-patient hospice facilities
  • 21 people in residential treatment centers for juveniles (non-correctional)
  • 7 people in residential schools for people with disabilities
  • 3 people in maritime/merchant vessels
  • 2 people in correctional residential facilities
Average gross adjusted income of non-migrant taxpayers in this county in 2010 was $86,254.

6.01% of this county's 2011 resident taxpayers lived in other counties in 2010 ($67,111 average adjusted gross income)

Here:

6.01%
California average:

5.03%


0.04% of residents moved from foreign countries ($479 average AGI)
Contra Costa County:

0.04%
California average:

0.07%

4.68% relocated from other counties in California ($50,097 average AGI)
1.29% relocated from other states ($16,534 average AGI)
Contra Costa County:

1.29%
California average:

1.68%

Percentage of residents relocating from other counties or countries


Top counties from which taxpayers relocated into this county between 2010 and 2011:
from Alameda County, CA  1.77% ($69,267 average AGI)
from San Francisco County, CA  0.52% ($75,223)
from Solano County, CA  0.38% ($50,630)
from San Mateo County, CA  0.28% ($68,636)
from Santa Clara County, CA  0.27% ($88,960)
from Los Angeles County, CA  0.20% ($54,304)
from Sacramento County, CA  0.19% ($45,201)


5.70% of this county's 2010 resident taxpayers moved to other counties in 2011 ($63,200 average adjusted gross income)

Here:

5.70%
California average:

5.12%


0.07% of residents moved to foreign countries ($994 average AGI)
Contra Costa County:

0.07%
California average:

0.10%

4.22% relocated to other counties in California ($41,948 average AGI)
1.41% relocated to other states ($20,258 average AGI)
Contra Costa County:

1.41%
California average:

1.74%

Percentage of residents relocating to other counties or countries


Top counties to which taxpayers relocated from this county between 2010 and 2011:
to Alameda County, CA  1.41% ($57,956 average AGI)
to San Francisco County, CA  0.44% ($56,560)
to Solano County, CA  0.39% ($47,181)
to San Mateo County, CA  0.22% ($66,139)
to Santa Clara County, CA  0.22% ($65,964)
to Sacramento County, CA  0.21% ($40,932)
to Los Angeles County, CA  0.20% ($50,638)

Births per 1000 population from 1990 to 1999: 14.6
Births per 1000 population from 2000 to 2006: 13.4
Births per 1000 population from 2007 to 2014: 11.9

Births per 1000 population in Contra Costa County

Deaths per 1000 population from 1990 to 1999: 7.1
Deaths per 1000 population from 2000 to 2006: 6.9
Deaths per 1000 population from 2007 to 2014: 6.7

Deaths per 1000 population in Contra Costa County

Infant deaths per 1000 live births from 1990 to 1999: 5.9
Infant deaths per 1000 live births from 2000 to 2006: 4.2
Infant deaths per 1000 live births from 2007 to 2013: 4.6

Infant deaths per 1000 live births in Contra Costa County

Population without health insurance coverage in 2013: 14.0%
Persons under 19 years old without health insurance coverage in 2013: 6.1%
Percentage of population without health insurance coverage in Contra Costa County
All 18-64 40-64 50-64 Under 19

Percentage of population without health insurance coverage in Contra Costa County


Persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare) in July 1, 2007: 131,139 (113,359 aged, 17,780 disabled)
Children under 18 without health insurance coverage in 2007: 23,470 (9%)

Persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare)

Aged persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare)

Disabled persons enrolled in hospital insurance and/or supplemental medical insurance (Medicare)

Most common underlying causes of death in Contra Costa County, California in 1999 - 2014:

  • Atherosclerotic heart disease (8,661)
  • Bronchus or lung, unspecified - Malignant neoplasms (6,447)
  • Acute myocardial infarction, unspecified (5,738)
  • Alzheimer's disease, unspecified (4,502)
  • Chronic obstructive pulmonary disease, unspecified (4,419)
  • Stroke, not specified as haemorrhage or infarction (3,795)
  • Breast, unspecified - Malignant neoplasms (2,237)
  • Unspecified dementia (1,967)
  • Pneumonia, unspecified (1,932)
  • Colon, unspecified - Malignant neoplasms (1,879)

Population without health insurance coverage in 2000: 12%
Children under 18 without health insurance coverage in 2000: 10%

Homicides per 1,000,000 population from 2000 to 2006: 77.2. This is less than state average.

Mechanisms of homicide:

Deaths per 1,000,000 population:
  • Firearm - 58.7
  • Cut/Pierce - 7.1
  • Other - 11.3

Suicides per 1,000,000 population from 2000 to 2006: 90.1. This is less than state average.

Mechanisms of suicide:

Deaths per 1,000,000 population:
  • Firearm - 39.8
  • Suffocation - 21.9
  • Poisoning - 15.3
  • Fall - 3.6
  • Drowning - 3.2
  • Other - 6.2

Household type by relationship:

Households: 1,135,127
  • In family households: 984,374 (152,141 male householders, 132,670 female householders)
    215,837 spouses, 351,465 children (333,784 natural, 7,652 adopted, 10,029 stepchildren), 21,073 grandchildren, 15,368 brothers or sisters, 28,740 parents, 34,018 other relatives, 33,062 non-relatives
  • In nonfamily households: 140,865 (46,303 male householders (33,929 living alone)), 60,174 female householders (49,494 living alone)), 34,388 nonrelatives
  • In group quarters: 9,888

Size of family households: 107,598 2-persons, 64,989 3-persons, 62,223 4-persons, 30,724 5-persons, 12,579 6-persons, 6,698 7-or-more-persons.

Size of nonfamily households: 83,423 1-person, 17,990 2-persons, 3,239 3-persons, 1,360 4-persons, 128 5-persons, 337 6-persons.

179,286 married couples with children.
51,987 single-parent households (14,202 men, 37,785 women).

64.4% of residents of Contra Costa speak English at home.
18.4% of residents speak Spanish at home (57% speak English very well, 18% speak English well, 17% speak English not well, 8% don't speak English at all).
6.5% of residents speak other Indo-European language at home (71% speak English very well, 20% speak English well, 7% speak English not well, 3% don't speak English at all).
9.5% of residents speak Asian or Pacific Island language at home (59% speak English very well, 24% speak English well, 13% speak English not well, 4% don't speak English at all).
1.2% of residents speak other language at home (73% speak English very well, 10% speak English well, 10% speak English not well, 7% don't speak English at all).

In fiscal year 2004:

Federal Government expenditure: $4,802,707,000 ($4,759 per capita)
Department of Defense expenditure: $561,658,000
Federal direct payments to individuals for retirement and disability: $1,909,613,000
Federal other direct payments to individuals: $1,027,350,000
Federal direct payments not to individuals: $14,461,000
Federal grants: $931,240,000
Federal procurement contracts: $542,164,000 ($421,076,000 Department of Defense)
Federal salaries and wages: $377,878,000 ($43,279,000 Department of Defense)
Federal Government direct loans: $0,000
Federal guaranteed/insured loans: $186,869,000
Federal Government insurance: $932,789,000

Population change from April 1, 2000 to July 1, 2005:

Births: 69,012
Here:

68 per 1000 residents
State:

77 per 1000 residents

Deaths: 36,034
Here:

35 per 1000 residents
State:

34 per 1000 residents

Net international migration: +29,744
Here:

+29 per 1000 residents
State:

+39 per 1000 residents

Net internal migration: +7,146
Here:  +7 per 1000 residents
State:  -18 per 1000 residents

Population growth in Contra Costa County

Total withdrawal of fresh water for public supply: 159.61 millions of gallons per day (2% from ground, 98% from surface)

Median number of rooms in houses and condos:
Here:

6.5
State:

6.0

Median number of rooms in apartments:
Here:

4.2
State:

4.0

Year house built

  • 2014 or later: 3,015
  • 2010 to 2013: 6,286
  • 2000 to 2009: 50,308
  • 1990 to 1999: 53,572
  • 1980 to 1989: 73,412
  • 1970 to 1979: 72,125
  • 1960 to 1969: 58,033
  • 1950 to 1959: 52,085
  • 1940 to 1949: 23,290
  • 1939 or earlier: 18,688
Note: State values scaled to Contra Costa population
Rooms in houses/apartments in Contra Costa County, California
Owner-occupied Renter-occupied
Note: State values scaled to Contra Costa County population
  • 1 room: 646
  • 2 rooms: 1,195
  • 3 rooms: 4,725
  • 4 rooms: 21,416
  • 5 rooms: 44,500
  • 6 rooms: 51,291
  • 7 rooms: 47,503
  • 8 rooms: 36,000
  • 9+ rooms: 43,194
  • 1 room: 5,846
  • 2 rooms: 10,524
  • 3 rooms: 24,332
  • 4 rooms: 40,234
  • 5 rooms: 26,388
  • 6 rooms: 13,908
  • 7 rooms: 8,991
  • 8 rooms: 4,796
  • 9+ rooms: 5,799
Bedrooms in houses/apartments in Contra Costa County, California
Owner-occupied Renter-occupied
Note: State values scaled to Contra Costa County population
  • no bedroom: 895
  • 1 bedroom: 4,130
  • 2 bedrooms: 39,387
  • 3 bedrooms: 93,351
  • 4 bedrooms: 86,732
  • 5+ bedrooms: 25,975
  • no bedroom: 6,646
  • 1 bedroom: 32,819
  • 2 bedrooms: 49,785
  • 3 bedrooms: 34,929
  • 4 bedrooms: 13,204
  • 5+ bedrooms: 3,435
Cars and other vehicles available in Contra Costa County, California in houses/condos/apartments
Owner-occupied Renter-occupied
Note: State values scaled to Contra Costa County population
  • no vehicle: 6,010
  • 1 vehicle: 53,091
  • 2 vehicles: 107,318
  • 3 vehicles: 53,845
  • 4 vehicles: 21,181
  • 5+ vehicles: 9,025
  • no vehicle: 16,388
  • 1 vehicle: 50,467
  • 2 vehicles: 50,575
  • 3 vehicles: 15,917
  • 4 vehicles: 5,346
  • 5+ vehicles: 2,125

87% of Contra Costa County residents lived in the same house 1 years ago.
   Out of people who lived in different houses, 36% lived in this county.
   Out of people who lived in different counties, 77% lived in California.

Contra Costa County:

86.6%
State average:

86.6%

Place of birth for U.S.-born residents:

  • This state: 628,578
  • Other state: 203,264
  • Northeast: 48,067
  • Midwest: 60,016
  • South: 53,820
  • West: 41,361

Year Householders Moved Into Unit

Most commonly used house heating fuel in Contra Costa County
Houses and condos Apartments
  • Utility gas (75.8%)
  • Electricity (20.2%)
  • Bottled, tank, or LP gas (1.3%)
  • Solar energy (1.0%)
  • Wood (0.8%)
  • No fuel used (0.6%)
  • Other fuel (0.2%)
  • Fuel oil, kerosene, etc. (0.1%)
  • Utility gas (54.1%)
  • Electricity (39.7%)
  • No fuel used (3.5%)
  • Bottled, tank, or LP gas (1.8%)
  • Wood (0.4%)
  • Solar energy (0.2%)
  • Coal or coke (0.2%)
  • Fuel oil, kerosene, etc. (0.1%)

Private vs. public school enrollment:


Students in private schools in grades 1 to 8 (elementary and middle school): 12,763
Here:

10.8%
California:

7.9%

Students in private schools in grades 9 to 12 (high school): 3,980
Here:

6.2%
California:

7.6%

Students in private undergraduate colleges: 10,322
Here:

14.9%
California:

15.5%

Educational Attainment (%)

School Enrollment by Level of School (%)

Age and Sex of Sensory-Disabled Residents (Noninstitutionalized)

Age and Sex of Physically-Disabled Residents (Noninstitutionalized)

Age and Sex of Mentally-Disabled Residents (Noninstitutionalized)

Age and Sex of Self-Care Disabled Residents (Noninstitutionalized)

Age and Sex of Go-Outside-Home Disabled Residents (Noninstitutionalized)

Age and Sex of Residents with Employment Disability (Noninstitutionalized)

Contra Costa County government finances - Expenditure in 2006:

  • Assistance and Subsidies - Public Welfare, Federal Categorical Assistance Programs: $110,907,000
    Public Welfare, Cash Assistance Programs - Other: $4,736,000
  • Construction - Housing and Community Development: $13,562,000
    Solid Waste Management: $5,629,000
    General - Other: $3,580,000
    Regular Highways: $2,636,000
    Local Fire Protection: $2,112,000
    Public Welfare - Other: $870,000
    General Public Buildings: $839,000
    Judicial and Legal Services: $162,000
    Police Protection: $120,000
    Elementary and Secondary Education: $7,000
    Natural Resources - Other: $3,000
  • Current Operations - Hospitals: $426,314,000
    Public Welfare - Other: $260,814,000
    Health - Other: $185,347,000
    Regular Highways: $95,113,000
    Judicial and Legal Services: $93,854,000
    Housing and Community Development: $92,142,000
    Local Fire Protection: $89,256,000
    Police Protection: $88,861,000
    Correctional Institutions: $88,253,000
    Elementary and Secondary Education: $73,417,000
    General - Other: $65,176,000
    Central Staff Services: $31,260,000
    Natural Resources - Other: $27,930,000
    Financial Administration: $27,692,000
    Corrections - Other: $27,038,000
    Libraries: $22,766,000
    General Public Buildings: $17,731,000
    Sewerage: $16,990,000
    Protective Inspection and Regulation, NEC: $14,145,000
    Air Transportation: $3,255,000
    Water Utilities: $719,000
    Public Welfare, Vendor Payments for Other Purposes: $80,000
    Transit Utilities: $23,000
    Parking Facilities: $3,000
    Public Welfare, Vendor Payments for Medical Care: $0
  • Employee Retirement - Corporate Stocks: $1,556,479,000
    Corporate Bonds: $1,305,052,000
    Total Cash and Deposits: $695,127,000
    Other Investments - Other: $476,656,000
    Benefit Payments: $196,106,000
    Withdrawals: $2,074,000
  • General - Interest on Debt: $57,631,000
  • Intergovernmental to Local NEC - Elementary and Secondary Education: $53,687,000
  • Intergovernmental to State - General - Other: $1,684,000
  • Other Capital Outlay - General - Other: $24,662,000
    Hospitals: $10,636,000
    Health - Other: $3,175,000
    Regular Highways: $1,914,000
    Public Welfare - Other: $1,704,000
    General Public Building: $1,378,000
    Judicial and Legal Services: $1,298,000
    Central Staff Services: $852,000
    Police Protection: $514,000
    Parking Facilities: $430,000
    Solid Waste Management: $358,000
    Air Transportation: $357,000
    Elementary and Secondary Education: $259,000
    Corrections - Other: $245,000
    Libraries: $206,000
    Protective Inspection and Regulation, NEC: $195,000
    Sewerage: $185,000
    Correctional Institutions: $52,000
  • Total Salaries and Wages: $702,024,000

Contra Costa County government finances - Revenue in 2006:

  • Charges - Hospital Public: $404,436,000
    All Other: $190,858,000
    Regular Highways: $46,464,000
    Sewerage: $22,777,000
    Air Transportation: $3,442,000
    Solid Waste Management: $1,566,000
    Elementary and Secondary Education - Other: $413,000
    Housing and Community Development: $67,000
    Elementary and Secondary Education School Lunch: $10,000
  • Employee Retirement - Earnings on Investments (calculated): $361,191,000
    From Parent Local Government: $300,300,000
    Local Employee Contribution: $73,475,000
  • Federal Intergovernmental - Housing and Community Development: $101,684,000
    All Other: $9,754,000
    Health and Hospitals: $1,122,000
    Air Transportation: $426,000
    Education: $91,000
    General Local Government Support: $13,000
  • Local Intergovernmental - Education: $42,693,000
    All Other: $32,516,000
    Housing and Community Development: $3,665,000
    Health and Hospitals: $1,643,000
    Water Utilities: $21,000
  • Miscellaneous - Interest Earnings: $32,666,000
    Special Assessments: $25,672,000
    General Revenue, NEC: $18,460,000
    Fines and Forfeits: $8,916,000
    Sale of Property: $6,489,000
    Donations From Private Sources: $2,200,000
    Rents: $1,883,000
  • Revenue - Water Utilities: $22,000
  • State Intergovernmental - Public Welfare: $391,241,000
    Health and Hospitals: $113,074,000
    All Other: $112,011,000
    Education: $57,872,000
    Highways: $18,344,000
    General Local Government Support: $12,366,000
    Water Utilities: $138,000
    Sewerage: $38,000
  • Tax - Property: $342,101,000
    Occupation and Business License, NEC: $15,959,000
    Documentary and Stock Transfer: $14,043,000
    Public Utilities Sales: $12,596,000
    General Sales and Gross Receipts: $9,700,000
    NEC: $6,078,000
    Other License: $4,627,000
    Other Selective Sales: $1,344,000

Contra Costa County government finances - Debt in 2006:

  • Long Term Debt - Outstanding Unspecified Public Purpose: $933,370,000
    Beginning Outstanding - Unspecified Public Purpose: $829,755,000
    Beginning Outstanding - Public Debt for Private Purpose: $192,298,000
    Outstanding Nonguaranteed - Industrial Revenue: $172,298,000
    Issue, Unspecified Public Purpose: $131,408,000
    Retired Unspecified Public Purpose: $27,793,000
    Retired Nonguaranteed - Public Debt for Private Purpose: $20,000,000

Contra Costa County government finances - Cash and Securities in 2006:

  • Bond Funds - Cash and Securities: $65,405,000
  • Employee Retirement - Total Other Securities: $695,008,000
    Total Federal Securities: $167,163,000
  • Other Funds - Cash and Securities: $747,959,000
  • Sinking Funds - Cash and Securities: $207,589,000

Supplemental Security Income (SSI) in 2006:

  • Total number of recipients: 23,974
  • Number of aged recipients: 5,677
  • Number of blind and disabled recipients: 18,297
  • Number of recipients under 18: 2,114
  • Number of recipients between 18 and 64: 13,216
  • Number of recipients older than 64: 8,644
  • Number of recipients also receiving OASDI: 8,200
  • Amount of payments (thousands of dollars): 14,854
Contra Costa County Fatal accident statistics for 1975 - 1994
Count Vehicles DUI Fatalities Persons Pedestrians

Fatal accident count (per 100,000 population)

Contra Costa County Fatal accident statistics for 1995 - 2014
Count Vehicles DUI Fatalities Persons Pedestrians

Fatal accident count (per 100,000 population)

Home Mortgage Disclosure Act Aggregated Statistics For Year 2009
(Based on 168 full tracts)
A) FHA, FSA/RHS & VA
Home Purchase Loans		B) Conventional
Home Purchase Loans		C) Refinancings
D) Home Improvement Loans
E) Loans on Dwellings For 5+ Families
F) Non-occupant Loans on
< 5 Family Dwellings (A B C & D)		G) Loans On Manufactured
Home Dwelling (A B C & D)
NumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage Value
LOANS ORIGINATED5,268$277,1438,134$319,88627,209$351,2291,049$232,01835$2,499,6572,614$208,88028$155,357
APPLICATIONS APPROVED, NOT ACCEPTED523$271,5621,135$317,0343,132$372,554133$177,7671$6,641,000421$205,43715$85,933
APPLICATIONS DENIED1,084$268,4921,934$278,4448,283$370,311492$147,08910$792,0001,165$201,19857$99,614
APPLICATIONS WITHDRAWN719$273,8401,219$313,8054,596$356,642279$181,4192$16,450,000522$200,4697$97,143
FILES CLOSED FOR INCOMPLETENESS235$251,698285$335,6071,563$371,182116$173,9570$0136$242,9933$63,667
Choose year:  2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999
Private Mortgage Insurance Companies Aggregated Statistics For Year 2009
(Based on 152 full tracts)
A) Conventional
Home Purchase Loans		B) Refinancings
C) Non-occupant Loans on
< 5 Family Dwellings (A & B)
NumberAverage ValueNumberAverage ValueNumberAverage Value
LOANS ORIGINATED790$275,787151$346,0464$94,000
APPLICATIONS APPROVED, NOT ACCEPTED399$295,742106$367,9438$266,500
APPLICATIONS DENIED164$278,39656$360,2502$94,000
APPLICATIONS WITHDRAWN95$311,15834$331,6760$0
FILES CLOSED FOR INCOMPLETENESS48$318,1256$265,6673$209,333
Choose year:  2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999

Conventional Home Purchase Loans

Conventional Home Purchase Loans - Value

Most common first names in Contra Costa County, CA among deceased individuals
NameCountLived (average)
John4,64174.4 years
Mary3,95980.4 years
William3,77874.7 years
Robert3,36771.4 years
James2,87571.5 years
George2,35075.8 years
Charles2,15873.8 years
Helen1,96080.9 years
Dorothy1,84878.7 years
Margaret1,84580.4 years
Most common last names in Contra Costa County, CA among deceased individuals
Last nameCountLived (average)
Smith1,59375.2 years
Johnson1,35475.2 years
Williams1,02073.3 years
Brown94674.7 years
Jones88874.7 years
Anderson80277.6 years
Miller79376.9 years
Davis77374.5 years
Wilson56875.5 years
Martin52876.3 years
Businesses in Contra Costa County, CA
NameCountNameCount
24 Hour Fitness8Jamba Juice16
7-Eleven38JoS. A. Bank2
99 Cents Only Stores5Johnny Rockets1
ALDO1Jones New York18
AMF Bowling1Journeys2
AT&T21Justice3
Abercrombie & Fitch1KFC16
Ace Hardware17Kincaid1
Aeropostale2Kmart4
American Eagle Outfitters2Kohl's2
Ann Taylor2Kroger8
Apple Store1La-Z-Boy1
Applebee's4Lane Bryant2
Ashley Furniture1Lane Furniture8
Audi1LensCrafters4
AutoZone9Little Caesars Pizza14
Avenue4Long John Silver's2
BMW1Lowe's3
Baja Fresh Mexican Grill5Macy's4
Bakers1Marriott6
Bally Total Fitness1Marshalls4
Banana Republic2MasterBrand Cabinets35
Barnes & Noble4Mazda1
Baskin-Robbins12McDonald's32
Bath & Body Works4Men's Wearhouse6
Bebe1Motel 64
Bed Bath & Beyond3Motherhood Maternity6
Best Western3New Balance22
Big O Tires13Nike72
Blockbuster13Nissan4
Brookstone1Nordstrom1
Budget Car Rental3Office Depot3
Burger King26OfficeMax1
CVS31Old Navy2
Carl\s Jr.9Olive Garden1
Casual Male XL1Outback3
Charlotte Russe1Outback Steakhouse3
Chevrolet2Pac Sun3
Chico's4Panda Express10
Chipotle5Panera Bread2
Chuck E. Cheese's3Papa John's Pizza1
Church's Chicken2Payless13
Cinnabon 2Penske4
Circle K2PetSmart4
Clarks1Pier 1 Imports4
Cold Stone Creamery8Pizza Hut5
Coldwater Creek2Plato's Closet1
Comfort Suites1Popeyes2
Costco4Pottery Barn1
Crate & Barrel1Quiznos17
Curves11RadioShack17
DHL7Ramada1
Dairy Queen4Red Lobster1
Days Inn5Red Robin2
Decora Cabinetry12Rite Aid14
Dennys7Rue211
Discount Tire5SAS Shoes5
Domino's Pizza9Safeway15
DressBarn2Sam's Club1
Dressbarn2Sears12
El Pollo Loco3Sephora2
Ethan Allen1Skechers USA2
Express2Spencer Gifts1
Extended Stay America3Sprint Nextel11
Famous Footwear1Staples7
Fashion Bug1Starbucks79
FedEx122Subaru1
Finish Line2Subway22
Firestone Complete Auto Care4Super 82
Foot Locker4T-Mobile23
Ford5T.J.Maxx4
Forever 213Taco Bell23
Fredericks Of Hollywood1Talbots2
GNC18Target7
GameStop14The Cheesecake Factory1
Gap2The Room Place4
Goodwill4Torrid1
Gymboree3Toyota4
H&M2Toys"R"Us6
H&R Block22Trader Joe's8
Haagen-Dazs3True Value2
Hilton4U-Haul23
Holiday Inn5UPS130
Hollister Co.2Urban Outfitters1
Home Depot7Vans26
HomeTown Buffet2Verizon Wireless5
Homestead Studio Suites1Victoria's Secret4
Honda2Volkswagen2
Hot Topic2Vons30
Hyatt1Walgreens22
IHOP6Walmart4
J. Jill2Wendy's9
J.Crew1Wet Seal1
JCPenney5Whole Foods Market2
Jack In The Box15YMCA3

Contra Costa County on our top lists:

  • #10 on the list of "Top 101 counties with the largest increase in the number of infant deaths per 1000 residents 2000-2006 to 2007-2013 (pop. 50,000+)"
  • #15 on the list of "Top 101 counties with the lowest Sulfur Oxides Annual air pollution readings in 2012 (µg/m3)"
  • #17 on the list of "Top 101 counties with the highest Nitrogen Dioxide air pollution readings in 2012 (ppm)"
  • #31 on the list of "Top 101 counties with the highest percentage of residents that drank alcohol in the past 30 days"
  • #34 on the list of "Top 101 counties with the highest surface withdrawal of fresh water for public supply (pop. 50,000+)"
  • #35 on the list of "Top 101 counties with the highest surface withdrawal of fresh water for public supply"
  • #38 on the list of "Top 101 counties with the highest percentage of residents that visited a dentist within the past year"
  • #38 on the list of "Top 101 counties with the most Other congregations (pop. 50,000+)"
  • #39 on the list of "Top 101 counties with the most Other congregations"
  • #42 on the list of "Top 101 counties with the lowest average weight of females"
  • #50 on the list of "Top 101 counties with the highest total withdrawal of fresh water for public supply (pop. 50,000+)"
  • #51 on the list of "Top 101 counties with the lowest number of infant deaths per 1000 residents 2007-2013 (pop. 50,000+)"
  • #51 on the list of "Top 101 counties with the highest total withdrawal of fresh water for public supply"
  • #52 on the list of "Top 101 counties with the highest percentage of residents that exercised in the past month"
  • #53 on the list of "Top 101 counties with the most Other adherents"
  • #53 on the list of "Top 101 counties with the most Other adherents (pop. 50,000+)"
  • #54 on the list of "Top 101 counties with the lowest Particulate Matter (PM10) Annual air pollution readings in 2012 (µg/m3)"
  • #57 on the list of "Top 101 counties with the most Evangelical Protestant congregations"
  • #57 on the list of "Top 101 counties with the most Evangelical Protestant congregations (pop. 50,000+)"
  • #60 on the list of "Top 101 counties with the most Catholic adherents"
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