topographic

Contra Costa County

Decennial Census Data

1980
TOTAL POPULATION
656,380100%
RACE
White
538,89682%
Black
American Indian, Eskimo, and Aleut
4,9931%
Eskimo
530%
Aleut
80%
Asian and Pacific Islander
31,4965%
Japanese
5,7351%
Chinese
10,3812%
Filipino
8,7141%
Korean
1,5170%
Asian Indian
2,0810%
Vietnamese
9360%
Hawaiian
7600%
Samoan
1410%
Guamanian
3000%
Other Asian and Pacific Islander
9310%
Race, n.e.c.
20,8493%
SPANISH ORIGIN
56,1649%
SEX
Male
320,51549%
Female
335,86551%
AGE
Under 5 years
44,0787%
5 to 19 years
159,44424%
20 to 64 years
392,29660%
65 years and over
60,5629%
Median age
31X
HOUSEHOLDS
Total households
241,418100%
Families
178,29574%
With own children under 18 years
93,23639%
Persons per household
2X
Persons per family
3X
INCOME AND POVERTY IN 1979
Median household income
22,870X
Median family income
26,510X
Per capita income
9,823X
COMMUTING TO WORK
Mean travel time to work (minutes)
27X
Mean travel time to work for workers traveling 45 or more minutes
58X
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over
298,754100%
Private vehicle
252,87285%
Drive alone car
172,71058%
Drive alone truck or van
26,9979%
Carpool car
44,43115%
Carpool truck or van
8,7343%
Public transportation
25,7949%
Bus or streetcar
9,6733%
Subway or elevated train
13,2914%
Railroad
2,7451%
Taxicab
850%
Motorcycle
2,2941%
Bicycle
1,6251%
Walked only
6,8512%
Other means
31%
Worked at home
5,6342%
CIVILIAN LABOR FORCE
Employed
305,313100%