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City of Hercules
Contra Costa County
1970-1990
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TOTAL POPULATION 19,488 100.0%
In households 19,449 99.8%
In group quarters 39 0.2%
 
RACE
White 5,453 28.0%
Black or African American 3,659 18.8%
American Indian and Alaska Native 49 0.3%
Asian 8,327 42.7%
Native Hawaiian and Other Pacific Islander 90 0.5%
Some other race 872 4.5%
Two or more races 1,038 5.3%
 
HISPANIC OR LATINO AND RACE
Hispanic or Latino (of any race) 2,106 10.8%
Not Hispanic or Latino 17,382 89.2%
White 4,624 23.7%
Black or African American 3,571 18.3%
American Indian and Alaska Native 29 0.1%
Asian 8,263 42.4%
Native Hawaiian and Other Pacific Islander 89 0.5%
Some other race 46 0.2%
Two or more races 760 3.9%
 
PLACE OF BIRTH BY CITIZENSHIP STATUS
Native 13,046 67.6%
Foreign born 6,253 32.4%
Naturalized citizen 4,442 23.0%
Not a citizen 1,811 9.4%
 
SEX
Male 9,247 47.4%
Female 10,241 52.6%
 
AGE
Under 5 years 1,145 5.9%
5 to 17 years 4,041 20.7%
18 to 64 years 12,869 66.0%
65 years and over 1,433 7.4%
Median age 36.7 X
 
HOUSEHOLDS
Total households 6,423 100.0%
Family households 5,000 77.8%
Families with children under 18 2,680 41.7%
Average household size 3.03 X
Average family size 3.46 X
 
HOUSING OCCUPANCY
Total housing units 6,546 100.0%
Occupied housing units 6,423 98.1%
Owner-occupied housing units 5,419 84.4%
Renter-occupied housing units 1,004 15.6%
Vacant housing units 123 1.9%
1 unit, detached housing 4,004 61.6%
Median value owner occupied unit (dollars) 241,500 X
Median gross rent (dollars) 1,111 X
 
INCOME AND POVERTY IN 1999
Median household income (dollars) 75,196 X
Median family income (dollars) 82,214 X
Per capita income (dollars) 27,699 X
Individuals in poverty 610 3.2%
 
EDUCATIONAL ATTAINMENT
Population 25 and over 12,383 100.0%
High school graduate 2,078 16.8%
Bachelor's degree 3,384 27.3%
Graduate or professional degree 1,063 8.6%
 
COMMUTING TO WORK
Mean travel time to work (minutes) 40.5 X
 
MEANS OF TRANSPORTATION TO WORK FOR WORKERS 16 YEARS AND OVER
Total 9,838 100.0%
Car, truck, or van: 8,809 89.5%
Drove alone 6,472 65.8%
Carpooled 2,337 23.8%
Public transportation 785 8.0%
Bus or trolley bus 158 1.6%
Streetcar or trolley car 13 0.1%
Subway or elevated 558 5.7%
Railroad 56 0.6%
Ferryboat 0 0.0%
Taxicab 0 0.0%
Motorcycle 0 0.0%
Bicycle 6 0.1%
Walked 34 0.3%
Other means 94 1.0%
Worked at home 110 1.1%
 
LABOR AND EMPLOYMENT BY OCCUPATION
Employed civilian population 16 years and over 10,053 100.0%
Management, professional and related 3,978 39.6%
Service 970 9.6%
Sales and office 3,526 35.1%
Farming, fishing & forestry 5 0.0%
Construction, extraction, and maintenance 602 6.0%
Production, transportation, and material moving 972 9.7%
 
CLASS OF WORKER    
Self-employed workers 572 5.7%
 
 
                Source: Census 2000 SF1, SF3, DP1-DP4

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Updated October 1, 2003