Contra Costa County, California
Total Population: 1,161,458
County Seat: Martinez
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 fieldsRacial & Ethnic Composition
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 fieldsHigh School Graduate or Higher (25+)
89.6%
Bachelor's Degree or Higher (25+)
44.9%
Enrolled in College (18+)
8.4%
Economics
6 fieldsMedian 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 fieldsMedian 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.