CENSUS DATA SOURCES

Sioux County Census Data


1885
Dakota Territory 1885 Census

1885 Morton County Census
(some of Morton became Sioux in 1914)

1900, 1920, 1930
Images and Transcribed Indexes on Sioux County Archives

1900-1940
Search FamilySearch.org to get an index (Sioux County included):
1900
1910
1920
1930
1940

1940
National Archives County Census, Maps, Descriptions Images

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1885 - Standing Rock Agency Heads of Families by Bands
Other Census Data


USGenWeb Free Census Project

USGenWeb Free Census Project on Facebook

Census Finder
(A Directory Of Free Census Resources)

Dakota Territory 1870 - 1890
(ancestry.com - fee)

North Dakota 1885 - 1925 Census
(ancestry.com - fee)

Indian Census Rolls 1885 - 1940 Census
(ancestry.com - fee)
Enter "Standing Rock" in Agency Field