Data Collections
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South Dakota, U.S., State Census, 1925705,319
South Dakota, U.S., State Census, 1935673,322
South Dakota, U.S., State Census, 1915613,769
South Dakota, U.S., State Census, 1945570,085
South Dakota, U.S., State Census, 1905472,575
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U.S., Presbyterian Church Records, 1701-19704,566,787
U.S., Dutch Reformed Church Records in Selected States, 1639-19891,868,002
South Dakota, U.S., Marriages, 1905-20181,426,672
South Dakota, U.S., Birth Index, 1856-1918982,416
U.S., Selected States Dutch Reformed Church Membership Records, 1701-1995465,389
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U.S., World War II Draft Registration Cards, 194214,501,913
U.S., Union Soldiers Compiled Service Records, 1861-1865837,569
A famous battery and its campaigns, 1861-'64249
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South Dakota, U.S., Federal Naturalization Records, 1904-19284,122
Sioux Falls, South Dakota, U.S., Departing Passenger Lists of Airplanes, 1958-1961149
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South Dakota, U.S., Newspapers.com™ Stories and Events Index, 1800's-current108,081,201
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There are no pictures collections unique to South Dakota
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U.S., Chicago and North Western Railroad Employment Records, 1935-1970Free1,095,637
U.S., Selected States Dutch Reformed Church Membership Records, 1701-1995465,389
U.S., Dutch Christian Reformed Church Membership Records, 1856-1970210,143
South Dakota, U.S., School Records, 1879-1970200,731
U.S., Dutch Christian Reformed Church Vital Records, 1856-197052,945
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North Dakota and South Dakota, U.S., Wills and Probate Records, 1878-192810,082
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Doane Robinson's encyclopedia of South Dakota1,003
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There are no maps, atlases & gazetteers collections unique to South Dakota
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History of Dakota Territory5,248
History of the Minnesota Valley, including the Explorers and pioneers of Minnesota1,021
Doane Robinson's encyclopedia of South Dakota1,003
History of the great Northwest and its men of progress592
Northwest History and Men of Progress592
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A genealogical history

South Dakota in brief

Statehood: 02 November 1889
Capital: Pierre
Largest City: Sioux Falls
Counties: 66
State motto: Under God, The People Rule
State nickname: Mount Rushmore State
Neighboring states: North Dakota, Nebraska


Oglala Sioux mother and child at the Pine Ridge Agency, South Dakota, c. 1910

Interesting facts

  • In the 1850s settlements were established in Medary near Brookings, present-day Sioux Falls, and in southeastern areas of what is now South Dakota. Dakota Territory was established in March of 1861.
  • The expansion of railroads into Dakota Territory and the Homestead Act of 1862 brought waves of settlers into the area and in 1874 gold was discovered in the Black Hills, fueling the influx of immigrants further.
  • Dakota Territory had a relatively short residency requirement and were more liberal in grounds for divorce which made cities like Sioux Falls and Fargo attractive to Easterners looking for a way out of their marriage.

Featured South Dakota collections

U.S., Presbyterian Church Records, 1701-1970
U.S., Union Soldiers Compiled Service Records, 1861-1865
South Dakota, U.S., Newspapers.com™ Stories and Events Index, 1800's-current
South Dakota, U.S., Marriages, 1905-2018
South Dakota, U.S., Federal Naturalization Records, 1904-1928

Famous people

Help and advice

Resources

South Dakota Census Research

Federal censuses for South Dakota begin in 1860. Although the Dakotas fell under Minnesota Territory in 1850, the only whites enumerated in the 1850 federal census actually lived in that Minnesota Territory’s Pembina County which is today located in North Dakota.

Many early censuses of the state's Indian Reservations have been microfilmed and are available at the FHL and the South Dakota Historical Society, where they are available on interlibrary loan.
 
Numerous state-generated censuses for the Dakota Territory and the state of South Dakota were compiled and are available for research at the South Dakota Historical Society. The Dakota Territorial census of 1885 census and the 1895 state censuses are available on Ancestry. See the “About” section of the collection pages for a list of counties included in each census.

State censuses taken in 1905, 1915, 1925, 1935, and 1945 are located at the South Dakota Historical Society and State Archives, but are not available on microfilm. Card file indexes exist for the 1905–45 censuses. The 1905 is an especially valuable census for the genealogist as a land description is given, as well as the length of time the individual was in South Dakota.

 

South Dakota Vital records

  • South Dakota Department of Health – Vital Records: Holds records of births, marriages, divorces, and deaths since July 1905. A searchable birth record index for records older than 100 years is available on the website. See the Genealogy Resources page for useful ordering information.

 

South Dakota Research Resources

The organizations listed below provide information about South Dakota history and genealogy. In addition to these state-level resources, many counties and towns maintain important genealogical collections in local libraries, genealogical societies, or historical societies, so check for a local resource when researching.

 

Statewide Research Resources