Contra Costa County, California Population 2022

Contra Costa County, California's estimated population is with a growth rate of 0.99% in the past year according to the most recent United States census data. Contra Costa County, California is the 9th largest county in California. The 2010 population was and has seen a growth of 13.37% since this time.

Note: 2021 and 2022 data is projected

Contra Costa County, California Population 2022

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Contra Costa County, California Population Growth

Population by Race

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Contra Costa County, California Population by Race

Contra Costa County, California Population Pyramid 2022

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Contra Costa County, California Median Age

39.9


Total

38.5


Male

41.1


Female

Contra Costa County, California Adults

There are 887,597 adults, (181,578 of whom are seniors) in Contra Costa County, California.

Contra Costa County, California Age Dependency

Age Dependency Ratio

25.7

Old Age Dependency Ratio

36.9

Child Dependency Ratio

Contra Costa County, California Sex Ratio

Female

586,593

51.11%

Male

561,195

48.89%

Contra Costa County, California Population by Age

Contra Costa County, California Renter vs Owner Occupied by Household Type

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Contra Costa County, California Household Types

66.8%

Rate of Home Ownership

Contra Costa County, California Households and Families

3.34

Average Family Size

2.86

Average Household Size

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Contra Costa County, California Households by Type

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Contra Costa County, California Educational Attainment by Sex (over 25)

Contra Costa County, California Educational Attainment by Race

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The highest rate of high school graduation is among white people with a rate of 97.03%.

The highest rate of bachelors degrees is among asian people with a rate of 58.40%.

Contra Costa County, California Educational Attainment by Race

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$56,696

Average Earnings

$66,864

Average Male

$47,521

Average Female

Contra Costa County, California Earnings by Educational Attainment

Contra Costa County, California Language by Age

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Contra Costa County, California Language

64.67% of Contra Costa County, California residents speak only English, while 35.33% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 18.08% of the population.

Contra Costa County, California Language

Contra Costa County, California Poverty by Race

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8.17%

Overall Poverty Rate

7.33%

Male Poverty Rate

8.98%

Female Poverty Rate

Poverty in Contra Costa County, California

The race most likely to be in poverty in Contra Costa County, California is Black, with 13.53% below the poverty level.

The race least likely to be in poverty in Contra Costa County, California is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.48%. Among those working part-time, it was 9.49%, and for those that did not work, the poverty rate was 14.54%.

Contra Costa County, California Poverty

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Contra Costa County, California Poverty Rate by Education

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Contra Costa County, California Poverty Rate by Employment Status and Sex

Contra Costa County, California Income by Household Type

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Income by Household Type

Contra Costa County, California Marital Status

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Marriage Rates

51.8%

Overall Marriage Rate

54.0%

Male Marriage Rate

49.7%

Female Marriage Rate

Contra Costa County, California Married by Age and Sex

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Contra Costa County, California Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Contra Costa County, California Marital Status by Race

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Contra Costa County, California Marital Status

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45,027

Number of Veterans

Male Veterans

Female Veterans

Contra Costa County, California Veterans by War

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Contra Costa County, California Veterans by Age

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Contra Costa County, California Veterans by Race

Contra Costa County, California Veterans by Education

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4.84%

Veteran Poverty Rate

30.29%

Veteran Disability Rate

Contra Costa County, California Veterans by Education

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65%

Labor Force Participation

61.4%

Employment Rate

5.5%

Unemployment Rate

Contra Costa County, California Employment by Age

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Contra Costa County, California Employment by Race

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Contra Costa County, California Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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56.24%

Born in Contra Costa County, California

75.16%

Native Born

24.84%

Foreign Born

10.84%

Non Citizen

14.00%

Naturalized

Place of Birth

75.16% of Contra Costa County, California residents were born in the United States, with 56.24% having been born in California. 10.84% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Contra Costa County, California Place of Birth

Sources