Boulder County CO Census Records

USA (1,379,301) > Colorado (13,754) > Boulder County (617) > Boulder County Census Records (54)

USA (1,379,301) > Colorado (13,754) > Colorado Census Records (2,137) > Boulder County Census Records (54)


NOTE: Additional records that apply to Boulder County are also on the Colorado Census Records page.

Countywide Allenspark Boulder Gold Hill Hygiene Jamestown Lafayette Louisville Lyons Nederland Niwot Salina Superior Valmont Ward

Boulder County Census Records

1870 Federal U.S. Census MyHeritage online

1870 U.S. Federal Census Ancestry online

1880 Federal U.S. Census MyHeritage online

1880 U.S. Federal Census Ancestry online

1885 Colorado State Census MyHeritage online

1885 State Census Ancestry online

1900 Federal U.S. Census MyHeritage online

1900 U.S. Federal Census Ancestry online

1910 Federal U.S. Census MyHeritage online

1910 U.S. Federal Census Ancestry online

1920 Federal U.S. Census MyHeritage online

1920 U.S. Federal Census Ancestry online

1930 Federal U.S. Census MyHeritage online

1930 U.S. Federal Census Ancestry online

1940 Federal U.S. Census MyHeritage online

1940 U.S. Federal Census Ancestry online

1950 United States Federal Census MyHeritage online

1950 United States Federal Census Ancestry online

Alphabetized listing of census returns and mortality schedules for Boulder County, Colorado, 1860-1885 FamilySearch Library

Census Mortality Index 1870 US Gen Web Archives online

Civil War Census Pensioners 1883 Genealogy Trails online

Federal Census of 1940, Altona, Colorado LDS Genealogy online

Federal Census of 1940, Canfield, Colorado LDS Genealogy online

Federal Census of 1940, East Longmont, Colorado LDS Genealogy online

Federal Census of 1940, Highland, Colorado LDS Genealogy online

Federal Census of 1940, Magnolia, Colorado LDS Genealogy online

Federal Census of 1940, Marshall, Colorado LDS Genealogy online

Federal Census of 1940, North Boulder, Colorado LDS Genealogy online

Federal Census of 1940, North Louisville, Colorado LDS Genealogy online

Federal Census of 1940, Pleasant View in Boulder County, Colorado LDS Genealogy online

Federal Census of 1940, South Boulder, Colorado LDS Genealogy online

Federal Census of 1940, Sugar Loaf, Colorado LDS Genealogy online

Federal Census of 1940, West Longmont, Colorado LDS Genealogy online

Federal Population Census of the U.S. 1790-1940 Archives.com online

Magnolia Census Index 1880 US Gen Web Archives online

Mortality Census 1870 Genealogy Trails online

Mortality Census 1885 Genealogy Trails online

U.S. Federal Census 1790-1950 Ancestry online

U.S. Federal Census 1790-1950 MyHeritage online

United States Federal Census, 1790-1950 Family Search online


Allenspark Census Records

Boulder Census Records

US Census Nebraska Territory 1860 US Gen Web Archives online

Gold Hill Census Records

Hygiene Census Records

Jamestown Census Records

Lafayette Census Records

Louisville Census Records

Lyons Census Records

Nederland Census Records

Niwot Census Records

Salina Census Records

Superior Census Records

Valmont Census Records

Ward Census Records

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