Contra Costa County, California

Sign up to receive The Genealogy News (a FREE service) for notifications whenever new resources are published.

U. S. Federal Census
  • Years available: 1860  1870  1880  1890  1900  1910  1920  1930  1940  
  • Web: Census Enumeration Districts, 1830-1890 and 1910-1950 (PDF) at Archives.gov [T1224]
  • Web: Census Enumeration Districts, 1930-1940 at Archives.gov
  • Web: Census Enumeration Maps, 1930 (PDF) at Archives.gov [M1930]
  • Web: Census Enumeration Maps, 1900-1940 (PDF) at Archives.gov [A3378]
    • Genealogical Societies
  • Submit Genealogical Societies
    • Historical Societies
  • Submit Historical Societies
    • Subscription Databases ($) from Ancestry.com
  • Web: California Marriages, 1844-1850
  • Web: The History of Contra Costa County, California
  • Web: History of Contra Costa County
  • Web: History of Contra Costa County, California
    • Additional Resources (on other web sites)
    Libraries
  • Submit Libraries
    • Cemeteries
  • Submit Cemeteries
    • Newspapers
  • Contra Costa Times
  • Submit Newspapers
    • Related Locations
  • Alamo
  • Antioch
  • Bethel Island
  • Brentwood
  • Byron
  • Canyon
  • Clayton
  • Concord
  • Crockett
    		•
  • Danville
  • Diablo
  • El Cerrito
  • El Sobrante
  • Hercules
  • Knightsen
  • Lafayette
  • Martinez
  • Moraga
  • Oakley
    		•
  • Orinda
  • Pinole
  • Pittsburg
  • Pleasant Hill
  • Port Costa
  • Richmond
  • Rodeo
  • San Pablo
  • San Ramon
  • Walnut Creek

    • The county of Contra Costa was established in 1850, and the county seat is Martinez. For the most current listing of resources for this location, and from additional publishers, please visit the Contra Costa County page in the Live Roots catalog.

    Related Books
  • Locate online books from Google Books
  • Locate used books from ABEbooks.com
  • Locate auction items from eBay.com
  • Locate library books from WorldCat.org
    • Related Web Sites
  • Web: RootsWeb Resources for Contra Costa County  Free!
  • Web: GenForum Queries for Contra Costa County  Free!
  • Web: Cyndi's List: Contra Costa County  Free!
  • Web: Linkpendium: Contra Costa County  Free!
  • Web: FamilySearch Wiki: Contra Costa County, California  Free!

    • If you know of a resource in Contra Costa County, please share the details with us.

     

    << California

    << Genealogy Directory Home

    Resource

    Keywords
    Surnames
    Location
    click to view original photo