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Contra Costa County
 

Decennial Census data
      1860-1940  |   1950-1960  |   1970-1990  |   2000-2010         More Census Bureau data here
                 
  Census 2000   Census 2010   2006-2010 ACS*
TOTAL POPULATION 948,816 100.0%   1,049,025 100.0%   1,024,809 100.0%
In households 937,479 98.8%   1,038,711 99.0%      
In group quarters 11,337 1.2%   10,314 1.0%      
   
RACE  
White 621,490 65.5%   614,512 58.6%      
Black or African American 88,813 9.4%   97,161 9.3%      
American Indian and Alaska Native 5,830 0.6%   6,122 0.6%      
Asian 103,993 11.0%   151,469 14.4%      
Native Hawaiian and Other Pacific Islander 3,466 0.4%   4,845 0.5%      
Some other race 76,510 8.1%   112,691 10.7%      
Two or more races 48,714 5.1%   62,225 5.9%      
   
HISPANIC OR LATINO AND RACE  
Hispanic or Latino (of any race) 167,776 17.7%   255,560 24.4%      
Not Hispanic or Latino 781,040, 82.3%   793,465 75.6%      
White 549,409 57.9%   500,923 47.8%      
Black or African American 86,851 9.2%   93,604 8.9%      
American Indian and Alaska Native 3,648 0.4%   2,984 0.3%      
Asian 102,681 10.8%   148,881 14.2%      
Native Hawaiian and Other Pacific Islander 3,157 0.3%   4,382 0.4%      
Some other race 2,636 0.2%   3,122 0.3%      
Two or more races 32,658 3.4%   39,569 3.8%      
   
SEX  
Male 463,270 48.8%   511,526 48.8%      
Female 485,546 51.2%   537,499 51.2%      
   
AGE  
Under 5 years 66,128 7.0%   67,018 6.4%      
5 to 17 years 185,666 19.6%   193,487 18.4%      
18 to 64 years 589,750 62.2%   658,082 62.7%      
65 years and over 107,272 11.3%   130,438 12.4%      
Median age 36.4 X   38.5 X      
   
HOUSEHOLDS  
Total households 344,129 100.0%   375,364 100.0%      
Family households 242,233 70.4%   265,280 70.7%      
Families with children under 18 121,884 35.4%   126,893 33.8%      
Average household size 2.72 X   2.77 X      
Average family size 3.23 X   3.26 X      
   
HOUSING OCCUPANCY  
Total housing units 354,577 100.0%   400,263 100.0%   396,782 100.0%
Occupied housing units 344,129 97.1%   375,364 93.8%   368,087 92.8%
Owner-occupied housing units 238,449 69.3%   251,904 67.1%   255,807 69.5%
Renter-occupied housing units 105,680 30.7%   123,460 32.9%   112,280 30.5%
Vacant housing units 10,448 2.9%   24,899 6.2%   28,695 7.2%
1 unit, detached housing 232,050 65.4%   263,717 66.5%
Median value owner occupied unit (dollars) 267,800 X         548,200 X
Median gross rent (dollars) 898 X         1,270 X
   
PLACE OF BIRTH BY CITIZENSHIP STATUS  
Native 768,328 81.0%         782,896 76.4%
Foreign born 180,488 19.0%         241,913 23.6%
Naturalized citizen 82,317 8.7%         122,470 12.0%
Not a citizen 98,171 10.3%         119,443 11.7%
   
INCOME AND POVERTY IN 1999    
Median household income (dollars) 63,675 X         78,385 X
Median family income (dollars) 73,039 X         91,791 X
Per capita income (dollars) 30,615 X         37,818 X
Individuals in poverty 71,575 7.6%         91,142 9.0%
   
EDUCATIONAL ATTAINMENT  
Population 25 and over 625,641 100.0%         681,162 100.0%
High school graduate 123,956 19.8%           19.7%
Bachelor's degree 142,909 22.8%           24.5%
Graduate or professional degree 76,139 12.2%           13.7%
   
COMMUTING TO WORK  
Mean travel time to work (minutes) 34.4 X         32.0 X
   
MEANS OF TRANSPORTATION TO WORK FOR WORKERS 16 YEARS AND OVER  
Total 442,008 100.0%         468,171 100.0%
Car, truck, or van: 370,055 83.7%         384,124 82.0%
Drove alone 310,286 70.2%         327,711 70.0%
Carpooled 59,769 13.5%         56,413 12.0%
Public transportation (Census 2000 includes taxicabs, ACS excludes them) 39,652 9.0%         41,889 8.9%
Bus or trolley bus 8,135 1.8%         9,838 2.1%
Streetcar or trolley car 378 0.1%         649 0.1%
Subway or elevated 27,952 6.3%         27,852 5.9%
Railroad 2,678 0.6%         3,525 0.8%
Ferryboat 115 0.0%         25 0.0%
Taxicab 394 0.1%         159 0.0%
Motorcycle 838 0.2%         1,369 0.3%
Bicycle 2,085 0.5%         2,827 0.6%
Walked 6,631 1.5%         8,035 1.7%
Other means 3,771 0.9%         3,586 0.8%
Worked at home 18,976 4.3%         26,182 5.6%
   
LABOR AND EMPLOYMENT BY OCCUPATION  
Employed civilian population 16 years and over 451,357 100.0%         482,898 100.0%
Management, professional and related 185,100 41.0%         199,215 41.3%
Service 60,299 13.4%         79,369 16.4%
Sales and office 126,183 28.8%         125,334 26.0%
Farming, fishing & forestry 937 0.2%         Included in following category  
Construction, extraction, and maintenance 40,341 8.9%         40,920 8.5%
Production, transportation, and material moving 38,497 8.5%         38,060 7.9%
   
CLASS OF WORKER      
Self-employed workers 38,535 8.5%         43,265 9.0%
 
 
                Source: Census 2000 SF1, SF3, DP1-DP4, Census 2010 DP-1, American Community Survey 2006-2010
 
                      * Go to tables in American Factfinder to view information on methodology and margins of error
 

Decennial Census data
      1860-1940  |   1950-1960  |   1970-1990  |   2000-2010


Cities in Contra Costa County:
Antioch       Brentwood       Clayton       Concord       Danville       El Cerrito       Hercules       Lafayette       Martinez       Moraga       Oakley       Orinda       Pinole       Pittsburg       Pleasant Hill       Richmond       San Pablo       San Ramon       Walnut Creek      
 



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