Census Records — State and Federal

Colorado Historical Society
1300 Broadway
Denver, CO 80203
Website: www.coloradohistory.org/

Colorado State Archives
1313 Sherman, Room 1B20
Denver, CO 80203
Website: www.colorado.gov/dpa/doit/archives/
Index to the 1870 Colorado census: www.colorado.gov/dpa/doit/archives/1870/index.htm

Fort Collins Public Library – Main Branch
201 Peterson Street
Fort Collins, Colorado 80524

  • State census (microfilm): 1885
  • Federal census (microfilm): 1870-1910, Colorado only; 1920, Larimer County only

All Federal census are available through the library’s free Ancestry.com and HeritageQuest databases. A library card is required for access

Fort Collins Local History Archive
200 Mathews Street
Fort Collins, CO 80524
Website: history.fcgov.com/

1885 State Census Index

The National Archives – Rocky Mountain Branch
Denver Federal Center, Building 46
Denver, Colorado
Website: www.archives.gov/rocky-mountain/

All federal census records on microfilm.

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