County population in 2016: 1,135,127 (99% urban, 1% rural); it was 948,816 in 2000County 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)
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%).
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
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:
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%)
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.
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%
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
Religion
Adherents
Congregations
Catholic
228,400
34
Evangelical Protestant
81,120
352
Other
48,553
123
Mainline Protestant
32,693
101
Black Protestant
10,395
34
Orthodox
2,435
8
None
645,429
-
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).
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
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)
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.
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
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
#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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39.5 years
36.4 years
(48.9%)
(51.1%)
