Contra Costa County, CA

651 Pine Street
Martinez, CA 94553-1229
Phone: (925)646-4080
Website: http://www.co.contra-costa.ca.us

Google Map View

NACo Member County

County Populations
  1980     1990     2000     2010  
 650,748  803,732  948,816  1,049,025

Google News - Contra Costa County

County Seat: Martinez
Year Organized: 1850
Square Miles: 715.94
Size of Board: 5
MSA: San Francisco-Oakland-Fremont, CA Metropolitan Statistical Area
  • Federal Funds
  • Places in Contra Costa County
  • Census Bureau Quick Facts
  • Census Bureau Data Sets
  • FEDSTATS

    • Elected County Officials
    Name Position
    Candace Anderson Supervisor, District 2
    John Gioia Supervisor, District 1
    Federal Glover Supervisor, Chair, District 5
    Karen Mitchoff Supervisor, District 4
    Mary Piepho Supervisor, District 3
    Mark Peterson District Attorney
    David Livingston Sheriff-Coroner
    Russell Watts Treasurer/Tax Collector
    Robert Campbell Auditor - Controller
    Gus Kramer Assessor
    Stephen Weir County Clerk-Recorder

    top