Contra Costa County Summary

Life in Contra Costa County research summary. HomeSnacks has been researching the quality of life in Contra Costa County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Contra Costa County:

  • The population in Contra Costa County is 1,162,648.

  • The median home value in Contra Costa County is $802,009.

  • The median income in Contra Costa County is $120,020.

  • The median rent in Contra Costa County is $2,234.

  • The unemployment rate in Contra Costa County is 5.8%.

  • The poverty rate in Contra Costa County is 8.3%.

  • The average high in Contra Costa County is 72.9° and there are 48.8 inches of rainfall annually.

Cities & Towns in Contra Costa County

List Of Cities & Towns in Contra Costa County

Concord, CA Population 125,007

Richmond, CA Population 115,619

Antioch, CA Population 115,016

San Ramon, CA Population 86,119

Pittsburg, CA Population 76,419

Walnut Creek, CA Population 69,809

Brentwood, CA Population 64,443

Oakley, CA Population 43,525

Danville, CA Population 43,449

Martinez, CA Population 37,093

Pleasant Hill, CA Population 34,504

San Pablo, CA Population 31,907

Hercules, CA Population 26,041

El Cerrito, CA Population 25,869

Lafayette, CA Population 25,310

Bay Point, CA Population 24,407

Orinda, CA Population 19,477

Pinole, CA Population 18,946

Moraga, CA Population 16,859

Discovery Bay, CA Population 15,362

Alamo, CA Population 14,355

Clayton, CA Population 11,070

Blackhawk, CA Population 10,622

Rodeo, CA Population 9,334

Contra Costa Centre, CA Population 6,884

Camino Tassajara, CA Population 6,238

Saranap, CA Population 6,136

Kensington, CA Population 5,309

Tara Hills, CA Population 5,202

Pacheco, CA Population 5,041

San Miguel CDP (Contra Costa County), CA Population 4,004

North Richmond, CA Population 3,734

Crockett, CA Population 3,574

Rollingwood, CA Population 3,483

East Richmond Heights, CA Population 3,285

Vine Hill, CA Population 3,217

Reliez Valley, CA Population 3,190

Bayview CDP (Contra Costa County), CA Population 2,529

Montalvin Manor, CA Population 2,195

Mountain View, CA Population 2,166

Bethel Island, CA Population 1,993

Byron, CA Population 1,918

Knightsen, CA Population 1,646

Shell Ridge, CA Population 1,041

Castle Hill, CA Population 1,010

Acalanes Ridge, CA Population 961

Norris Canyon, CA Population 954

Alhambra Valley, CA Population 917

North Gate, CA Population 900

Diablo, CA Population 772

Clyde, CA Population 721

Port Costa, CA Population 251

Map Of Contra Costa County

Contra Costa County, CA Weather

  • The average high in Contra Costa County is 72.9°.

  • There are 94.67 nice days each year.

  • Expect an average of 48.8 inches of rain each year with 0.0 inches of snow.

  • There is an average of 7:11 hours of sun each day in Contra Costa County.

StatContra Costa County
Mean High72.9
Nice Days94.67
Rainfall48.8
Snowfall0.0
Sunny_hours7:11
72.9°
Average High
48.8
Inches of Rain

Contra Costa County Photos

Antioch California
Source: Public Domain
Burrowing Owl In Antioch
Source: Wikipedia User Cheryl Reynolds | CC BY-SA 3.0
Mt Diablo
Source: Public Domain
Antioch California Amtrak Station
Source: Wikipedia User ThisManMustBeStopped | GFDL
Antioch California Amtrak Station
Source: Wikipedia User ThisManMustBeStopped | GFDL
Sf From Marin Highlands
Source: Public Domain

Contra Costa County Demographics

Population over time in Contra Costa County

The current population in Contra Costa County is 1,162,648. The population has increased 1.7% from 2019.

Year Population % Change
2022 1,161,643 1.2%
2021 1,147,788 0.5%
2020 1,142,251 -

Gender in Contra Costa County

  • Contra Costa County is 50.7% female with 589,574 female residents.

  • Contra Costa County is 49.3% male with 573,074 male residents.

Female
50.7% (589,574)
Male
49.3% (573,074)
Gender Contra Costa County CA USA
Female 50.7% 49.9% 50.4%
Male 49.3% 50.1% 49.6%

Race / Ethnicity in Contra Costa County

Contra Costa County is:

  • 40.6% White with 471,751 White residents.

  • 8.4% African American with 97,612 African American residents.

  • 0.2% American Indian with 1,960 American Indian residents.

  • 18.0% Asian with 209,562 Asian residents.

  • 0.5% Hawaiian with 5,405 Hawaiian residents.

  • 0.6% Other with 6,959 Other residents.

  • 5.4% Two Or More with 62,504 Two Or More residents.

  • 26.4% Hispanic with 306,895 Hispanic residents.

White
40.6% (471,751)
African American
8.4% (97,612)
American Indian
0.2% (1,960)
Asian
18.0% (209,562)
Hawaiian
0.5% (5,405)
Other
0.6% (6,959)
Two Or More
5.4% (62,504)
Hispanic
26.4% (306,895)

Table: Contra Costa County By Race

Race Contra Costa County CA USA
White 40.6% 35.2% 58.9%
African American 8.4% 5.3% 12.1%
American Indian 0.2% 0.3% 0.6%
Asian 18.0% 14.9% 5.7%
Hawaiian 0.5% 0.3% 0.2%
Other 0.6% 0.4% 0.4%
Two Or More 5.4% 3.8% 3.5%
Hispanic 26.4% 39.7% 18.7%

Household Income For Contra Costa County, California

  • 3.4% of households in Contra Costa County earn Less than $10,000.

  • 2.4% of households in Contra Costa County earn $10,000 to $14,999.

  • 3.5% of households in Contra Costa County earn $15,000 to $24,999.

  • 4.1% of households in Contra Costa County earn $25,000 to $34,999.

  • 6.6% of households in Contra Costa County earn $35,000 to $49,999.

  • 10.7% of households in Contra Costa County earn $50,000 to $74,999.

  • 10.7% of households in Contra Costa County earn $75,000 to $99,999.

  • 18.7% of households in Contra Costa County earn $100,000 to $149,999.

  • 13.0% of households in Contra Costa County earn $150,000 to $199,999.

  • 26.8% of households in Contra Costa County earn $200,000 or more.

Less than $10,000
3.4% (38,977)
$10,000 to $14,999
2.4% (28,108)
$15,000 to $24,999
3.5% (40,940)
$25,000 to $34,999
4.1% (48,155)
$35,000 to $49,999
6.6% (76,833)
$50,000 to $74,999
10.7% (124,572)
$75,000 to $99,999
10.7% (124,686)
$100,000 to $149,999
18.7% (217,009)
$150,000 to $199,999
13.0% (151,412)
$200,000 or more
26.8% (311,951)
Income Contra Costa County CA USA
Less than $10,000 3.4% 4.4% 4.9%
$10,000 to $14,999 2.4% 3.2% 3.8%
$15,000 to $24,999 3.5% 5.6% 7.0%
$25,000 to $34,999 4.1% 6.0% 7.4%
$35,000 to $49,999 6.6% 8.7% 10.7%
$50,000 to $74,999 10.7% 13.7% 16.1%
$75,000 to $99,999 10.7% 12.0% 12.8%
$100,000 to $149,999 18.7% 17.8% 17.1%
$150,000 to $199,999 13.0% 10.7% 8.8%
$200,000 or more 26.8% 17.9% 11.4%

Highest level of educational attainment in Contra Costa County for adults over 25

  • 6.0% of adults in Contra Costa County completed < 9th grade.

  • 5.0% of adults in Contra Costa County completed 9-12th grade.

  • 18.0% of adults in Contra Costa County completed high school / ged.

  • 19.0% of adults in Contra Costa County completed some college.

  • 8.0% of adults in Contra Costa County completed associate's degree.

  • 27.0% of adults in Contra Costa County completed bachelor's degree.

  • 12.0% of adults in Contra Costa County completed master's degree.

  • 3.0% of adults in Contra Costa County completed professional degree.

  • 2.0% of adults in Contra Costa County completed doctorate degree.

< 9th Grade
6% (69,758)
9-12th Grade
5% (58,132)
High School / GED
18% (209,276)
Some College
19% (220,903)
Associate's Degree
8% (93,011)
Bachelor's Degree
27% (313,914)
Master's Degree
12% (139,517)
Professional Degree
3% (34,879)
Doctorate Degree
2% (23,252)
Education Contra Costa County CA USA
< 9th Grade 6% 8% 3%
9-12th Grade 5% 7% 6%
High School / GED 18% 20% 26%
Some College 19% 20% 20%
Associate's Degree 8% 8% 9%
Bachelor's Degree 27% 22% 21%
Master's Degree 12% 9% 10%
Professional Degree 3% 3% 2%
Doctorate Degree 2% 2% 2%

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