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Contra Costa County
 

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

1970 Census 1980 Census 1990 Census
TOTAL POPULATION 558,389 100.0% TOTAL POPULATION 656,380 100.0% TOTAL POPULATION 803,732 100.0%
  
RACE RACE RACE
White 502,411 90.0% White 538,896 82.1% White 611,700 76.1%
Negro 41,620 7.5% Black 60,146 9.2% Black 74,316 9.2%
Indian 1,701 0.3% American Indian, Eskimo, and Aleut 4,993 0.8% American Indian, Eskimo, or Aleut 5,430 0.7%
Eskimo 53 0.0% Eskimo 30 0.0%
Aleut 8 0.0% Aleut 66 0.0%
Asian and Pacific Islander 31,496 4.8% Asian or Pacific Islander 76,854 9.6%
Asian 74,420 9.3%
Japanese 3,980 0.7% Japanese 5,735 0.9% Japanese 8,264 1.0%
Chinese 3,088 0.6% Chinese 10,381 1.6% Chinese 22,519 2.8%
Filipino 2,763 0.5% Filipino 8,714 1.3% Filipino 25,288 3.1%
Korean 1,517 0.2% Korean 4,048 0.5%
Asian Indian 2,081 0.3% Asian Indian 5,682 0.7%
Vietnamese 936 0.1% Vietnamese 2,747 0.3%
Cambodian 179 0.0%
Hmong 0 0.0%
Laotian 3,231 0.4%
Thai 273 0.0%
Other Asian 2,189 0.3%
Pacific Islander 2,434 0.3%
Polynesian 1,754 0.2%
Hawaiian 760 0.1% Hawaiian 1,140 0.1%
Samoan 141 0.0% Samoan 372 0.0%
Tongan 242 0.0%
Other Polynesian 0 0.0%
Guamanian 300 0.0% Micronesian -- Guamanian 478 0.1%
Micronesian -- Other 33 0.0%
Melanesian 143 0.0%
Other Asian and Pacific Islander 931 0.1% Pacific Islander Not Specified 26 0.0%
All other 2,826 0.5% Race, n.e.c. 20,849 3.2% Other Race 35,432 4.4%
  
PERSONS OF SPANISH ORIGIN OR DESCENT 29,545 5.3% SPANISH ORIGIN 56,164 8.6% TOTAL HISPANIC 90,266 11.2%
  
SEX SEX SEX
Male 274,758 49.2% Male 320,515 48.8% Male 392,282 48.8%
Female 283,631 50.8% Female 335,865 51.2% Female 411,450 51.2%
 
AGE AGE AGE
Under 5 years 46,301 8.3% Under 5 years 44,078 6.7% Under 5 years 60,232 7.5%
5 to 19 years 173,603 31.1% 5 to 19 years 159,444 24.3% 5 to 17 years 141,198 17.6%
20 to 64 years 299,707 53.7% 20 to 64 years 392,296 59.8% 18 to 64 years 515,762 64.2%
65 years and over 38,778 6.9% 65 years and over 60,562 9.2% 65 years and over 87,459 10.9%
Median age 27.8 X Median age 31.5 X Median age 34.2 X
  
HOUSEHOLDS HOUSEHOLDS HOUSEHOLDS
Head of household 172,951 100.0% Total households 241,418 100.0% Households 301,087 100.0%
Families 146,304 84.6% Families 178,295 73.9% Total families 214,677 71.3%
With own children under 18 years 86,776 50.2% With own children under 18 years 93,236 38.6% With own children under 18 years 103,823 34.5%
Persons per household 3.54 X Persons per household 2.69 X Persons per household 2.64 X
Persons per family 3.16 X Persons per family 3.11 X
  
INCOME AND POVERTY IN 1969 INCOME AND POVERTY IN 1979 INCOME AND POVERTY IN 1989
Income of families and unrelated individuals 12,423 X Median household income 22,870 X Median household income 45,087 X
Median family income 26,510 X Median family income 51,651 X
Income of persons 3,971 X Per capita income 9,823 X Per capita income 28,631 X
Less than poverty level 7.6% Below poverty level 7.6% Below poverty level 7.2%
  
COMMUTING TO WORK COMMUTING TO WORK
Mean travel time to work (minutes) 27.2 X Mean minutes traveled to work 29.3 X
Mean travel time to work for workers traveling 45 or more minutes 58.6 X
  
MEANS OF TRANSPORTATION TO WORK MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over 298,754 100.0% Workers 16 years and over 401,173 100.0%
Private vehicle 252,872 84.6% Car, truck, or van 342,242 85.3%
Drive alone car 172,710 57.8% Drove alone 286,754 71.5%
Drive alone truck or van 26,997 9.0%
Carpool car 44,431 14.9% Carpooled 55,488 13.8%
Carpool truck or van 8,734 2.9%  
Public transportation 25,794 8.6% Public transportation 31,344 7.8%
Bus or streetcar 9,673 3.2% Bus or trolley bus 6,305 1.6%
  Streetcar or trolley car 189 0.0%
Subway or elevated train 13,291 4.4% Subway or elevated 21,986 5.5%
Railroad 2,745 0.9% Railroad 2,639 0.7%
  Ferryboat 94 0.0%
Taxicab 85 0.0% Taxicab 131 0.0%
Motorcycle 2,294 0.8% Motorcycle 1,667 0.4%
Bicycle 1,625 0.5% Bicycle 1,933 0.5%
Walked only 6,851 2.3% Walked 7,371 1.8%
Other means 3.684 1.2% Other means 2,963 0.7%
Worked at home 5,634 1.9% Working at home 13,653 3.4%
  
CIVILIAN LABOR FORCE CIVILIAN LABOR FORCE CIVILIAN LABOR FORCE
Employed 211,006 100.0% Employed 305,313 100.0% Employed 406,507 100.0%
 
°Best printed in landscape format.
 
                Source: 1970 Census, 1980 Census, 1990 Census

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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