Contra Costa County

HOUSEHOLD AND FAMILY STRUCTURE

A household is defined as one or more people living in a residence. A family is more than one person living together, either married or of the same bloodline. The head of a household is one of the people who owns or rents the residence and was indicated first on the Census questionnaire.

The tendency for people to marry at an older age and the number of married people getting divorced may have contributed to the overall drop in married couples. Also, it may more culturally acceptable for people to not get married at all or to have non-traditional relationships.

Household Types, 1990-2000
1990 2000
Number Percent Number Percent
Total Households 300,288 100.00% 344,129 100.00%
Married Couple 169,151 56.33% 187,613 54.52%
With Children* 78,203 26.04% 91,975 26.73%
Without Children* 90,948 30.29% 95,638 27.79%
Female Householder, no spouse 32,505 10.82% 39,683 11.53%
With Children* 18,647 6.21% 22,363 6.50%
Without Children* 13,858 4.61% 17,320 5.03%
Male Householder, no spouse 10,993 3.66% 14,937 4.34%
With Children* 4,983 1.66% 7,546 2.19%
Without Children* 6,010 2.00% 7,391 2.15%
Non-Family Households 87,639 29.18% 101,896 29.61%
Living Alone 66,995 22.31% 78,759 22.89%
Two or More Persons 20,644 6.87% 23,137 6.72%

*In this table, children are people under age 18.

Source: Census 2000 analyzed by the Social Science Data Analysis Network (SSDAN).

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