Contra Costa County, California
Population estimates, July 1, 2025, (V2025) 1,170,070
People
Population
Population estimates, July 1, 2025, (V2025) 1,170,070
Population estimates, July 1, 2024, (V2024) 1,172,607
Population estimates base, April 1, 2020, (V2025) 1,166,035
Population estimates base, April 1, 2020, (V2024) 1,165,983
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 0.3%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 0.6%
Population, Census, April 1, 2020 1,165,927
Population, Census, April 1, 2010 1,049,025
Age and Sex
Persons under 5 years, percent 5.2%
Persons under 18 years, percent 21.4%
Persons 65 years and over, percent 18.0%
Female persons, percent 50.8%
Race and Hispanic Origin
White alone, percent 61.5%
Black alone, percent(a) 9.2%
American Indian and Alaska Native alone, percent(a) 1.2%
Asian alone, percent(a) 21.4%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.6%
Two or More Races, percent 6.0%
Hispanic or Latino, percent(b) 28.2%
White alone, not Hispanic or Latino, percent 37.6%
Population Characteristics
Veterans, 2020-2024 37,905
Foreign-born persons, percent, 2020-2024 26.6%
Housing
Housing Units, July 1, 2025, (V2025) 436,791
Owner-occupied housing unit rate, 2020-2024 68.0%
Median value of owner-occupied housing units, 2020-2024 $866,800
Median selected monthly owner costs - with a mortgage, 2020-2024 $3,435
Median selected monthly owner costs - without a mortage, 2020-2024 $1,009
Median gross rent, 2020-2024 $2,375
Building Permits, 2025 1,163
Families & Living Arrangements
Households, 2020-2024 414,417
Persons per household, 2020-2024 2.78
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 90.0%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 37.5%
Computer and Internet Use
Households with a computer, percent, 2020-2024 97.7%
Households with a broadband Internet subscription, percent, 2020-2024 95.6%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 89.6%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 45.2%
Health
With a disability, under age 65 years, percent, 2020-2024 7.2%
Persons without health insurance, under age 65 years, percent 5.9%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 64.6%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 59.4%
Total accommodation and food services sales, 2022 ($1,000)(c) 3,068,139
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 12,693,730
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 1,978,003
Total retail sales, 2022 ($1,000)(c) 18,788,321
Total retail sales per capita, 2022(c) $16,239
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 35.3
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $127,229
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $62,927
Persons in poverty, percent 8.5%
Businesses
Businesses
Total employer establishments, 2023 25,932
Total employment, 2023 343,690
Total annual payroll, 2023 ($1,000) 28,057,331
Total employment, percent change, 2022-2023 1.1%
Total nonemployer establishments, 2023 102,001
All employer firms, Reference year 2023 19,828
Male-owned employer firms, Reference year 2023 11,260
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 7,550
Nonminority-owned employer firms, Reference year 2023 10,089
Veteran-owned employer firms, Reference year 2023 288
Nonveteran-owned employer firms, Reference year 2023 17,589
Geography
Geography
Population per square mile, 2020 1,626.3
Population per square mile, 2010 1,465.2
Land area in square miles, 2020 716.93
Land area in square miles, 2010 715.94
FIPS Code 06013