Contra Costa County
Contra Costa County, California
Martinez, CA 94553
Phone: (925) 335-1080
Fax: (925) 335-1098
www.co.contra-costa.ca.us
On San Pablo Bay, E of San Francisco; original county; organized Feb 18, 1850 (prior to statehood). Name Origin: From Spanish 'opposite coast' designating the coast opposite Marin County, north of San Francisco
Area (sq mi):: 802.15 (land 719.95; water 82.20) Population per square mile: 1413.70
Population 2005: 1,017,787 State rank: 9 Population change: 2000-20005 7.30%; 1990-2000 18.10% Population 2000: 948,816 (White 57.90%; Black or African American 9.40%; Hispanic or Latino 17.70%; Asian 11.00%; Other 14.20%). Foreign born: 19.00%. Median age: 36.40
Income 2000: per capita $30,615; median household $63,675; Population below poverty level: 7.60% Personal per capita income (2000-2003): $44,479-$43,957
Unemployment (2004): 5.40% Unemployment change (from 2000): 2.10% Median travel time to work: 34.40 minutes Working outside county of residence: 42.40%
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