Castle Hill, California

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Population in 2010: 1,299.
Males: 660  (50.9%)
Females: 639  (49.1%)
Median resident age:

56.3 years
California median age:

36.5 years

Zip codes: 94595.

Estimated median household income in 2017: $95,339
Castle Hill:

$95,339
CA:

$71,805

Estimated per capita income in 2017: $45,776

Castle Hill CDP income, earnings, and wages data

Estimated median house or condo value in 2017: $642,300
Castle Hill:

$642,300
CA:

$509,400

Mean prices in 2017: all housing units: over $1,000,000; detached houses: over $1,000,000

Median gross rent in 2017: $1,310.

March 2019 cost of living index in Castle Hill: 135.6 (high, U.S. average is 100)
Percentage of residents living in poverty in 2017: 0.7%
(0.3% for White Non-Hispanic residents, 100.0% for Black residents)
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Data:
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Based on 2000-2020 data
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  • Races in Castle Hill, CA (2010)
    • 1,04380.3%White alone
    • 1108.5%Asian alone
    • 786.0%Hispanic
    • 322.5%Two or more races
    • 282.2%Black alone
    • 60.5%Other race alone
    • 10.08%American Indian alone
    • 10.08%Native Hawaiian and Other
      Pacific Islander alone

Races in Castle Hill detailed stats: ancestries, foreign born residents, place of birth

Recent articles from our blog. Our writers, many of them Ph.D. graduates or candidates, create easy-to-read articles on a wide variety of topics.

Ancestries: European (17.0%), Scottish (10.7%), Irish (8.6%), Italian (6.0%), Czechoslovakian (5.8%), English (4.9%).

Current Local Time: PST time zone

57 residents are foreign born (3.5% Latin America, 1.0% Europe).

This place:

4.5%
California:

27.0%

Median real estate property taxes paid for housing units with mortgages in 2017: $11,788 (0.8%)
Median real estate property taxes paid for housing units with no mortgage in 2017: $6,724 (0.5%)

Nearest city with pop. 50,000+: Walnut Creek, CA (2.6 miles , pop. 64,296).

Nearest city with pop. 200,000+: Central Contra Costa, CA (3.2 miles , pop. 459,252).

Nearest city with pop. 1,000,000+: Los Angeles, CA (333.2 miles , pop. 3,694,820).

Nearest cities:

Saranap, CA (1.1 miles ),
Alamo, CA (1.3 miles ),
Acalanes Ridge, CA (1.6 miles ),
Shell Ridge, CA (1.6 miles ),
Walnut Creek, CA (1.6 miles ),
Central Contra Costa, CA (1.8 miles ),
Lafayette, CA (1.8 miles ),
Waldon, CA (2.0 miles )

Latitude: 37.87 N, Longitude: 122.06 W

Area code commonly used in this area: 925

Distribution of median household income in Castle Hill, CA in 2017
Distribution of house value in Castle Hill, CA in 2017
Unemployment in March 2019:
Here:

3.5%
California:

4.6%
Air pollution and air quality trends
(lower is better)
AQI CO NO2 SO2 Ozone PM10 PM2.5 Pb
Air Quality Index

Air Quality Index (AQI) level in 2018 was 105. This is significantly worse than average.

City:

105
U.S.:

74
Carbon Monoxide Level

Carbon Monoxide (CO) [ppm] level in 2018 was 0.375. This is significantly worse than average. Closest monitor was 1.9 miles away from the city center.

City:

0.375
U.S.:

0.267
Nitrogen Dioxide Level

Nitrogen Dioxide (NO2) [ppb] level in 2018 was 9.15. This is significantly worse than average. Closest monitor was 1.9 miles away from the city center.

City:

9.15
U.S.:

5.56
Sulfur Dioxide Level

Sulfur Dioxide (SO2) [ppb] level in 2018 was 0.540. This is significantly better than average. Closest monitor was 1.9 miles away from the city center.

City:

0.540
U.S.:

1.789
Ozone Level

Ozone [ppb] level in 2018 was 22.7. This is significantly better than average. Closest monitor was 1.9 miles away from the city center.

City:

22.7
U.S.:

33.3
Particulate Matter Level
Particulate Matter Level

Particulate Matter (PM2.5) [µg/m3] level in 2018 was 13.1. This is significantly worse than average. Closest monitor was 4.7 miles away from the city center.

City:

13.1
U.S.:

8.5
Lead Level

Lead (Pb) [µg/m3] level in 2018 was 0.0115. This is about average. Closest monitor was 1.9 miles away from the city center.

City:

0.0115
U.S.:

0.0098

Earthquake activity:

Castle Hill-area historical earthquake activity is near California state average. It is 754% 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 52.2 miles away from the city 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 55.1 miles away from Castle Hill 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 212.4 miles away from Castle Hill center
On 7/21/1952 at 11:52:14, a magnitude 7.7 (7.7 UK) earthquake occurred 261.6 miles away from Castle Hill center, causing $50,000,000 total damage
On 1/31/1922 at 13:17:28, a magnitude 7.6 (7.6 UK) earthquake occurred 270.6 miles away from Castle Hill 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 202.5 miles away from Castle Hill center, causing $75,000,000 total damage
Magnitude types: body-wave magnitude (MB), local magnitude (ML), surface-wave magnitude (MS), moment magnitude (MW)

Natural disasters:

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).

Hospitals and medical centers near Castle Hill:

  • ELM MANOR CARE CENTER (Nursing Home, about 1 miles away; WALNUT CREEK, CA)
  • MANORCARE HEALTH SERVICES-WALNUT CREEK (Nursing Home, about 1 miles away; WALNUT CREEK, CA)
  • KINDRED TRANSITIONAL CARE AND REHAB - WALNUT CREEK (Nursing Home, about 1 miles away; WALNUT CREEK, CA)
  • MANORCARE HEALTH SERVICES - TICE VALLEY (Nursing Home, about 1 miles away; WALNUT CREEK, CA)
  • KAISER FOUNDATION HOSPITAL - WALNUT CREEK Acute Care Hospitals (about 2 miles away; WALNUT CREEK, CA)
  • KAISER FOUNDATION HOSPITAL HOSPICE-MARTINEZ (Hospital, about 2 miles away; WALNUT CREEK, CA)
  • SIERRA SURGI-CENTER (Hospital, about 3 miles away; WALNUT CREEK, CA)

Amtrak stations near Castle Hill:

  • 12 miles: MARTINEZ (401 FERRY ST.) . Services: ticket office, fully wheelchair accessible, enclosed waiting area, public restrooms, public payphones, full-service food facilities, free short-term parking, free long-term parking, call for taxi service, public transit connection.
  • 13 miles: OAKLAND (245 2ND ST.) . Services: ticket office, fully wheelchair accessible, enclosed waiting area, public restrooms, public payphones, vending machines, paid short-term parking, paid long-term parking, call for car rental service, taxi stand, public transit connection.
  • 13 miles: EMERYVILLE (5885 LANDREGAN ST.) . Services: ticket office, fully wheelchair accessible, enclosed waiting area, public restrooms, public payphones, snack bar, free short-term parking, free long-term parking, call for taxi service, public transit connection.

Colleges/universities with over 2000 students nearest to Castle Hill:

  • Saint Mary's College of California (about 4 miles; Moraga, CA; Full-time enrollment: 4,200)
  • Diablo Valley College (about 7 miles; Pleasant Hill, CA; FT enrollment: 13,015)
  • Merritt College (about 9 miles; Oakland, CA; FT enrollment: 2,842)
  • University of California-Berkeley (about 12 miles; Berkeley, CA; FT enrollment: 37,127)
  • Berkeley City College (about 12 miles; Berkeley, CA; FT enrollment: 3,146)
  • Laney College (about 13 miles; Oakland, CA; FT enrollment: 5,668)
  • College of Alameda (about 14 miles; Alameda, CA; FT enrollment: 3,071)

Points of interest:

Click to draw/clear place borders

Contra Costa County has a predicted average indoor radon screening level between 2 and 4 pCi/L (pico curies per liter) - Moderate Potential
Average household size:
This place:

2.5 people
California:

2.9 people

Percentage of family households:
This place:

74.2%
Whole state:

68.7%

Percentage of households with unmarried partners:
This place:

5.8%
Whole state:

7.2%


Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
  • Lesbian couples: 0.8% of all households
  • Gay men: 1.2% of all households
22 people in nursing facilities/skilled-nursing facilities in 2010
12 people in workers' group living quarters and job corps centers in 2010

For population 15 years and over in Castle Hill:

Marital status in Castle Hill, CA
  • Never married: 27.1%
  • Now married: 51.7%
  • Separated: 0.0%
  • Widowed: 5.3%
  • Divorced: 15.9%

For population 25 years and over in Castle Hill:

  • High school or higher: 100.0%
  • Bachelor's degree or higher: 67.0%
  • Graduate or professional degree: 24.0%
Educational Attainment in 2017
School Enrollment by Level of School in 2017
Education Gini index (Inequality in education)
Here:

7.7
California average:

15.0

Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Religion statistics for Castle Hill, CA (based on Contra Costa County data)

Religions Adherents in 2010
Religions Adherents - Change between 2000 and 2010
ReligionAdherentsCongregations
Catholic228,40034
Evangelical Protestant81,120352
Other48,553123
Mainline Protestant32,693101
Black Protestant10,39534
Orthodox2,4358
None645,429-
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. Graphs represent county-level data

Food Environment Statistics:

Number of grocery stores: 181
Here:

1.78 / 10,000 pop.
California:

2.14 / 10,000 pop.
Number of supercenters and club stores: 5
Contra Costa County:

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%
State:

7.3%
Adult obesity rate:
This county:

22.2%
State:

21.3%
Low-income preschool obesity rate:
This county:

16.8%
California:

17.9%

6.39% of this county's 2016 resident taxpayers lived in other counties in 2015 ($99,017 average adjusted gross income)

Here:

6.39%
California average:

5.03%

0.05% of residents moved from foreign countries ($4,127 average AGI)
Contra Costa County:

0.05%
California average:

0.07%

Top counties from which taxpayers relocated into this county between 2015 and 2016:
from Alameda County, CA  1.84% ($91,463 average AGI)
from San Francisco County, CA  0.57% ($117,213)
from San Mateo County, CA  0.37% ($104,054)


6.01% of this county's 2015 resident taxpayers moved to other counties in 2016 ($86,076 average adjusted gross income)

Here:

6.01%
California average:

5.21%

0.07% of residents moved to foreign countries ($1,145 average AGI)
Contra Costa County:

0.07%
California average:

0.09%

Top counties to which taxpayers relocated from this county between 2015 and 2016:
to Alameda County, CA  1.21% ($81,637 average AGI)
to Solano County, CA  0.49% ($60,452)
to San Francisco County, CA  0.35% ($86,722)

Strongest AM radio stations in Castle Hill:

  • KTRB (860 AM; 50 kW; MODESTO, CA; Owner: PAPPAS RADIO OF CALIFORNIA, A CALIFORNIA LIMITED PARTNERSHIP)
  • KTCT (1050 AM; 50 kW; SAN MATEO, CA; Owner: SUSQUEHANNA RADIO CORP.)
  • KIQI (1010 AM; 35 kW; SAN FRANCISCO, CA; Owner: RADIO UNICA OF SAN FRANCISCO LICENSE CORP.)
  • KFAX (1100 AM; 50 kW; SAN FRANCISCO, CA; Owner: GOLDEN GATE BROADCASTING CO, INC.)
  • KNBR (680 AM; 50 kW; SAN FRANCISCO, CA; Owner: KNBR LICO, INC.)
  • KGO (810 AM; 50 kW; SAN FRANCISCO, CA; Owner: KGO-AM RADIO, INC.)
  • KNEW (910 AM; 20 kW; OAKLAND, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KCBS (740 AM; 50 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KYCY (1550 AM; 50 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KFRC (610 AM; 5 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING CORPORATION OF LOS ANGELES)
  • KABN (1480 AM; 5 kW; CONCORD, CA; Owner: CONCORD AREA BROADCASTING CORP.)
  • KMZT (1510 AM; 8 kW; SAN RAFAEL, CA; Owner: MOUNT WILSON FM BROADCASTERS, INC.)
  • KATD (990 AM; 10 kW; PITTSBURG, CA; Owner: RADIO UNICA OF SACRAMENTO LICENSE CORP.)

Strongest FM radio stations in Castle Hill:

  • KFJO (92.1 FM; WALNUT CREEK, CA; Owner: CHASE RADIO PROPERTIES, L.L.C.)
  • KKSF-FM1 (103.7 FM; PLEASANTON, ETC., CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KFRC-FM3 (99.7 FM; WALNUT CREEK, CA; Owner: INFINITY KFRC-FM, INC.)
  • KZBR-FM1 (95.7 FM; WALNUT CREEK, CA; Owner: BONNEVILLE HOLDING COMPANY)
  • KBLX-FM2 (102.9 FM; PLEASANTON, CA; Owner: ICBC BROADCAST HOLDINGS -CA, INC.)
  • KSOL-FM3 (98.9 FM; PLEASANTON, CA; Owner: TMS LICENSE CALIFORNIA, INC)
  • KISQ-FM3 (98.1 FM; CONCORD, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KMEL-FM1 (106.1 FM; CONCORD, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KDFC-FM1 (102.1 FM; LAFAYETTE, CA; Owner: BONNEVILLE HOLDING COMPANY)
  • KOIT-FM2 (96.5 FM; MARTINEZ, ETC., CA; Owner: BONNEVILLE HOLDING CO. C/O KOIT(FM))
  • KIOI-FM1 (101.3 FM; WALNUT CREEK, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KISQ-FM1 (98.1 FM; WALNUT CREEK, ETC., CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KKIQ-FM3 (101.7 FM; WALNUT CREEK, CA; Owner: KKIQ, INC.)
  • KLLC (97.3 FM; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KALX (90.7 FM; BERKELEY, CA; Owner: UNIVERSITY OF CALIFORNIA)
  • KZBR-FM2 (95.7 FM; LIVERMORE, ETC., CA; Owner: BONNEVILLE HOLDING COMPANY)
  • KSFB-FM (100.7 FM; SAN RAFAEL, CA; Owner: GOLDEN GATE BROADCASTING COMPANY, INC.)
  • KOIT-FM (96.5 FM; SAN FRANCISCO, CA; Owner: BONNEVILLE HOLDING COMPANY)
  • KKSF (103.7 FM; SAN FRANCISCO, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KFOG (104.5 FM; SAN FRANCISCO, CA; Owner: KFFG LICO, INC)

TV broadcast stations around Castle Hill:

  • KQED (Channel 9; SAN FRANCISCO, CA; Owner: KQED, INC.)
  • KTNC-TV (Channel 42; CONCORD, CA; Owner: KTNC LICENSE, LLC)
  • KGO-TV (Channel 7; SAN FRANCISCO, CA; Owner: KGO TELEVISION, INC.)
  • KPIX-TV (Channel 5; SAN FRANCISCO, CA; Owner: CBS BROADCASTING INC.)
  • KTVU (Channel 2; OAKLAND, CA; Owner: KTVU PARTNERSHIP)
  • KOVR (Channel 13; STOCKTON, CA; Owner: SCI - SACRAMENTO LICENSEE, LLC)
  • KXTV (Channel 10; SACRAMENTO, CA; Owner: KXTV, INC.)
  • KSPX (Channel 29; SACRAMENTO, CA; Owner: PAXSON SACRAMENTO LICENSE, INC.)
  • KCRA-TV (Channel 3; SACRAMENTO, CA; Owner: KCRA HEARST-ARGYLE TELEVISION, INC.)
  • KRON-TV (Channel 4; SAN FRANCISCO, CA; Owner: YOUNG BROADCASTING OF SAN FRANCISCO, INC.)
  • KUVS (Channel 19; MODESTO, CA; Owner: KUVS LICENSE PARTNERSHIP, G.P.)
  • KTXL (Channel 40; SACRAMENTO, CA; Owner: CHANNEL 40, INC.)
  • KQCA (Channel 58; STOCKTON, CA; Owner: KCRA HEARST-ARGYLE TELEVISION, INC.)
  • KMTP-TV (Channel 32; SAN FRANCISCO, CA; Owner: MINORITY TELEVISION PROJECT)
  • KBHK-TV (Channel 44; SAN FRANCISCO, CA; Owner: VIACOM TELEVISION STATIONS GROUP OF SAN FRANCISCO INC.)
  • KVIE (Channel 6; SACRAMENTO, CA; Owner: KVIE, INC.)
  • KFTL (Channel 64; STOCKTON, CA; Owner: FAMILY STATIONS, INC.)
  • KMAX-TV (Channel 31; SACRAMENTO, CA; Owner: UPN STATIONS GROUP INC.)
  • KBWB (Channel 20; SAN FRANCISCO, CA; Owner: KBWB LICENSE, INC.)
  • KFSF (Channel 66; VALLEJO, CA; Owner: TELEFUTURA SAN FRANCISCO LLC)
  • KCNS (Channel 38; SAN FRANCISCO, CA; Owner: WRAY, INC.)
  • KCSM-TV (Channel 60; SAN MATEO, CA; Owner: SAN MATEO COUNTY COMMUNITY COLLEGE DISTRICT)
  • KBIT-CA (Channel 28; SAN FRANCISCO, ETC., CA; Owner: POLAR BROADCASTING, INC.)
  • KICU-TV (Channel 36; SAN JOSE, CA; Owner: KTVU PARTNERSHIP)
  • KTEH (Channel 54; SAN JOSE, CA; Owner: KTEH FOUNDATION)
Houses and condos Apartments
Most commonly used house heating fuel in houses and condos in Castle Hill, CA
  • 95.7%Utility gas
  • 4.3%Electricity
Most commonly used house heating fuel in apartments in Castle Hill, CA
  • 100.0%Bottled, tank, or LP gas


Castle Hill compared to California state average:

  • Median house value significantly above state average.
  • Unemployed percentage significantly below state average.
  • Black race population percentage below state average.
  • Hispanic race population percentage significantly below state average.
  • Median age significantly above state average.
  • Foreign-born population percentage significantly below state average.
  • Renting percentage significantly below state average.
  • Length of stay since moving in significantly below state average.
  • Number of rooms per house significantly above state average.
  • Number of college students below state average.
  • Percentage of population with a bachelor's degree or higher significantly above state average.

Castle Hill on our top lists:

  • #35 on the list of "Top 101 cities with the most residents born in Germany (population 500+)"
  • #41 on the list of "Top 101 cities with the most residents born in Chile (population 500+)"
  • #66 on the list of "Top 101 cities with the most residents born in Western Europe (population 500+)"
  • #95 on the list of "Top 101 cities with the most residents born in Hong Kong (population 500+)"
  • #99 on the list of "Top 100 cities with highest ratio of median house value to median household income"
  • #7 (94595) on the list of "Top 101 zip codes with the smallest percentage of returns reporting salary or wage in 2012 (pop 5,000+)"
  • #29 (94595) on the list of "Top 101 zip codes with the largest percentage of taxpayers reporting taxable interest in 2012 (pop 5,000+)"
  • #75 (94595) on the list of "Top 101 zip codes with the largest percentage of taxpayers reporting net capital gain/loss in 2012 (pop 5,000+)"
  • #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+)"
Cost of Living Calculator