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Contra Costa County, California

Interactive maps and statistics for Contra Costa County, California: income, age, education, housing, health and more, set beside California and the United States.

Contra Costa County, California is among the highest in the country for total population (39th of 3,222 counties), and among the highest in the country for median household income (36th of 3,221 counties).

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Key figures

StatisticContra Costa County, California CaliforniaUnited States Rank
Total Population1,165,01239,287,376334,922,49939th of 3,222
Median Household Income$127,229$99,122$80,73436th of 3,221
Median Age40.537.938.91945th of 3,222
Bachelor's Degree or Higher45.2%37.1%35.7%171st of 3,222
Median Home Value$866,800$734,700$332,70022nd of 3,217
Median Gross Rent$2,375$2,036$1,4137th of 3,215
Poverty Rate8.4%12.0%12.5%2771st of 3,222
Unemployment Rate6.5%6.6%5.2%542nd of 3,222
Population per Square Mile1,625.1252.1n/a104th of 3,222
Foreign Born26.6%27.0%14.1%48th of 3,222
Life Expectancy81.6n/an/a106th of 3,062
Homeownership Rate68.0%55.9%65.2%2488th of 3,222
Average Commute Time35.328.726.4113th of 3,221
Worked from Home21.3%17.2%15.1%106th of 3,222
Uninsured5.2%n/an/a2971st of 3,134
Married-Couple Households54.1%48.4%46.9%676th of 3,222
Broadband Access94.7%n/an/a32nd of 3,135

Rank is among all US counties with published data, counting down from the highest value. Figures come from the American Community Survey, CDC, BLS, BEA and other federal sources. Open the map for 1,147 statistics and the year and margin of error behind each one.

Race and ethnicity in Contra Costa County, California

StatisticContra Costa County, CaliforniaCaliforniaUnited States
White (non-Hispanic)38.1%33.8%57.4%
Hispanic or Latino (any race)27.6%40.2%19.3%
Black (non-Hispanic)7.9%5.2%11.9%
Asian (non-Hispanic)18.6%15.3%5.9%
Two or More Races (non-Hispanic)6.3%4.4%4.3%
American Indian & Alaska Native (non-Hispanic)0.2%0.3%0.5%
Native Hawaiian & Pacific Islander (non-Hispanic)0.5%0.3%0.2%
Some Other Race (non-Hispanic)0.8%0.6%0.6%
Diversity Index73.369.761.4

Age in Contra Costa County, California

StatisticContra Costa County, CaliforniaCaliforniaUnited States
Median Age40.537.938.9
Under 18 %22.0%22.0%22.0%
Age 18-24 %8.0%9.1%9.1%
Age 25-34 %12.2%14.8%13.7%
Age 35-44 %14.2%13.9%13.2%
Age 45-64 %26.6%24.6%24.8%
Age 65 and Over %17.1%15.7%17.2%

Households and families in Contra Costa County, California

StatisticContra Costa County, CaliforniaCaliforniaUnited States
Households414,41713,548,091129,227,496
Average Household Size2.82.82.5
Family Households71.5%67.8%64.2%
Households with Children34.4%32.4%29.5%
Single-Parent Families17.4%19.4%17.3%
People Living Alone22.1%24.3%28.7%
Never Married33.0%38.2%34.4%

Income and poverty in Contra Costa County, California

StatisticContra Costa County, CaliforniaCaliforniaUnited States
Per Capita Income$62,927$49,513$44,673
Households Under $25,0008.7%12.5%14.6%
Households $50,000 to $74,99910.8%13.0%15.5%
Households $100,000 to $149,99917.4%17.8%17.5%
Households $200,000 or More29.4%20.5%13.4%
Poverty Rate8.4%12.0%12.5%
Below 200% of Poverty18.7%27.3%28.2%
SNAP Households8.5%12.4%n/a

Housing in Contra Costa County, California

StatisticContra Costa County, CaliforniaCaliforniaUnited States
Housing Units429,26014,644,735143,775,355
Single-Family Detached Homes67.5%57.0%61.3%
Buildings with 5+ Units16.5%24.1%19.1%
Vacancy Rate3.5%7.5%10.1%
Median Year Structure Built1,978.01,976.01,980.0
Renter-Occupied32.0%44.1%34.8%
Rent as % of Household Income33.5%32.8%30.6%
Median Property Tax$7,156$5,124n/a

Education in Contra Costa County, California

StatisticContra Costa County, CaliforniaCaliforniaUnited States
Less than High School10.4%15.3%10.4%
High School Graduate18.0%20.5%26.0%
Some College or Associate Degree26.4%27.2%27.9%
Bachelor's Degree27.5%22.7%21.6%
Graduate or Professional Degree17.7%14.4%14.1%

Work and commuting in Contra Costa County, California

StatisticContra Costa County, CaliforniaCaliforniaUnited States
Labour Force Participation64.7%63.8%63.5%
Drove Alone to Work59.7%65.7%68.8%
Public Transit5.4%2.9%3.2%
Walked to Work1.8%2.4%2.4%
Commutes Under 15 Minutes18.8%22.0%26.0%
Commutes Over an Hour21.2%11.1%8.6%
Households Without a Car5.2%7.1%n/a

Origins and language in Contra Costa County, California

StatisticContra Costa County, CaliforniaCaliforniaUnited States
Born in State of Residence55.8%56.5%57.3%
Naturalised Citizens15.6%14.7%7.4%
Non-Citizens11.0%12.3%6.8%
Speaks Only English at Home62.5%55.6%77.7%
Speaks Spanish at Home19.1%28.3%13.6%
Limited English Proficiency27.5%32.1%16.7%

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