Contra Costa County, California

Total Population: 1,161,458

County Seat: Martinez

View on Google Maps

Median Home Value

$830,800

Owner-occupied units

Median Household Income

$125,727

Across all households

Median Age

40.3 yrs

Across all residents

Bachelor's Degree+

44.9%

Adults 25 and older

Nearby Counties

Demographics

14 fields

Racial & Ethnic Composition

White (Non-Hispanic)39.3%
Hispanic or Latino27.3%
Asian (Non-Hispanic)18.3%
Black (Non-Hispanic)8.2%
Two or More Races5.8%
Other Race0.7%
Hawaiian / Pacific Islander0.4%
Am. Indian / Alaska Native0.2%

Under 18 Years

22.2%

65 Years and Over

16.7%

Male

49.2%

Female

50.8%

U.S. Citizens (18+)

87.3%

No Health Insurance

4.8%

Education

3 fields

High School Graduate or Higher (25+)

89.6%

Bachelor's Degree or Higher (25+)

44.9%

Enrolled in College (18+)

8.4%

Economics

6 fields

Median Household Income

$125,727

Mean Household Income

$172,107

Per Capita Income

$61,727

Unemployment Rate (16+)

5.9%

In Labor Force (19–64)

80.1%

SNAP / Food Stamps

7.7%

Housing & Households

13 fields

Median Home Value

$830,800

Median Rent

$2,322/mo

Total Housing Units

426,585

Owner-Occupied

67.7%

Renter-Occupied

32.3%

Vacancy Rate

3.5%

Married Couple Households

54.1%

Cohabiting Couple Households

6.8%

Male Householder, No Partner

14.5%

Female Householder, No Partner

24.6%

Average Household Size

2.79

Broadband Internet Access

95.3%

Housing Built Since 2010

5.8%

Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. County FIPS 06013.