Contra Costa County, California Population 2022

Contra Costa County, California's estimated population is 1,162,550 with a growth rate of 0.26% in the past year according to the most recent United States census data. Contra Costa County, California is the 10th largest county in California. The 2010 Population was 1,052,540 and has seen a growth of 10.45% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18605,3280.00%
18708,4613,13358.80%
188012,5254,06448.03%
189013,5159907.90%
190018,0464,53133.53%
191031,67413,62875.52%
192053,88922,21570.14%
193078,60824,71945.87%
1940100,45021,84227.79%
1950298,984198,534197.64%
1960409,030110,04636.81%
1970558,389149,35936.52%
1980656,38097,99117.55%
1990803,732147,35222.45%
20101,052,540248,80830.96%
20111,065,44012,9001.23%
20121,077,55012,1101.14%
20131,093,40015,8501.47%
20141,108,88015,4801.42%
20151,124,40015,5201.40%
20161,137,27012,8701.14%
20171,145,5408,2700.73%
20181,150,5204,9800.43%
20191,153,5303,0100.26%
20201,156,5303,0000.26%
20211,159,5403,0100.26%
20221,162,5503,0100.26%
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Contra Costa County, California Population Growth

Population by Race

Race Population Percentage
White608,78953.04%
Black or African American98,5698.59%
American Indian and Alaska Native5,1910.45%
Asian200,15917.44%
Native Hawaiian and Other Pacific Islander5,6760.49%
Some Other Race124,64710.86%
Two or More Races104,7579.13%
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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

Type Owner Renter
Married77.8%22.2%
All66.8%33.2%
Non Family55.9%44.1%
Male52.5%47.5%
Female48.5%51.5%

66.8%

Rate of Home Ownership

Contra Costa County, California Households and Families

Type Count Average Size Owned
All398,2992.8666.8
Married218,5903.4677.8
Male19,9423.5152.5
Female47,7793.4548.5
Non Family111,9881.3255.9

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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Education Attained Count Percentage
Less Than 9th Grade42,5165.35%
9th to 12th Grade37,7414.75%
High School Graduate136,95417.24%
Some College165,81520.87%
Associates Degree67,2908.47%
Bachelors Degree212,71826.77%
Graduate Degree131,52616.55%
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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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Race Total High School Bachelors
Asian145,587132,58985,021
White378,096366,851194,667
2+ Races49,62743,49817,258
Black67,79263,15920,614
Hispanic171,879122,63931,336
Native American3,7222,993613
Islander3,8993,242589
Other Race72,77947,5658,679

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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Name Average Male Female
Overall$56,696$66,864$47,521
Less Than 9th Grade$28,103$33,292$21,379
High School Graduate$38,097$44,235$29,451
Some College$48,005$57,410$39,802
Bachelors Degree$78,835$97,057$64,466
Graduate Degree$102,366$131,536$83,072

$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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Name Total In Poverty Poverty Rate
Black97,20913,15413.53%
Hispanic292,81535,28212.05%
Multiple103,95110,2609.87%
Islander5,5775269.43%
Native5,0993607.06%
Asian199,21811,8415.94%
White485,60525,9335.34%
Other17,190NaN%

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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Name Poverty
Less Than 9th Grade16.85%
High School10.64%
Some College7.35%
Bachelors or Greater3.42%

Contra Costa County, California Poverty Rate by Education

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Rate Poverty
Male Employed3.35%
Male Unemployed17.40%
Female Employed4.26%
Female Unemployed24.37%

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

Contra Costa County, California Income by Household Type

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Name Median Mean
Households$103,997$141,278
Families$119,567$158,424
Married Families$140,200$181,415
Non Families$62,445$88,954
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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

War Veterans
Second Gulf War6,095
First Gulf War7,635
Vietnam16,260
Korea4,670
World War II1,974

Contra Costa County, California Veterans by War

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Age Group Veterans
18 to 342,361
35 to 549,458
55 to 647,748
65 to 7411,429
75+14,031

Contra Costa County, California Veterans by Age

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Name Veterans % of Total
White32,8226.65%
Black5,5287.15%
Native American1553.70%
Asian3,0661.93%
Islander3056.97%
Other Race9951.15%
2+ Races2,1563.48%
Hispanic4,8202.36%

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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources