Buffalo County, South Dakota Genealogy

United States South Dakota Buffalo County

Guide to Buffalo County, South Dakota ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.

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County Courthouse
Buffalo County Courthouse PO Box 148 Gann Valley, SD 57341-0148 Phone: 605.293.3234 Register of Deeds has birth and death records from 1905, burial records from 1941 and land records; County Treasurer has marriage records from 1887; County Clerk has divorce records from 1915, probate and court records from 1885

Buffalo County, South Dakota Record Dates

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 * width="84%" bgcolor="#e4d8e5" align="center" colspan="7" | Beginning Dates for Major County Records
 * width="12%" bgcolor="#e4d8e5" align="center" | Birth*
 * width="12%" bgcolor="#e4d8e5" align="center" | Marriage
 * width="12%" bgcolor="#e4d8e5" align="center" | Death*
 * width="12%" bgcolor="#e4d8e5" align="center" | Court
 * width="12%" bgcolor="#e4d8e5" align="center" | Land
 * width="12%" bgcolor="#e4d8e5" align="center" | Probate
 * width="12%" bgcolor="#e4d8e5" align="center" | Census
 * width="12%" align="center" |
 * width="12%" align="center" |1887
 * width="12%" align="center" |
 * width="12%" align="center" |
 * width="12%" align="center" |1885
 * width="12%" align="center" |1884
 * width="12%" align="center" |1870
 * colspan="7"|
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 * width="12%" align="center" |1870
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Record Loss
There is no known history of courthouse disasters in this county.

Boundary Changes
1864--Buffalo County was created 6 January 1864 from Brugier County was Eliminated 6 Jan 1864, and Charles Mix Counties, and unorganized territory. County seat: Gann Valley

Populated Places
Indian Reservation

A portion of the Crow Creek Indian Reservation is located in Buffalo County. The remaining part is in Hyde County.


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Census Records
1905, 1915, 1925, 1935, and 1945 censuses may include unique information: Ethnic Background, Maiden Name, Church Affiliation and Military Service
 * 1905 — at FamilySearch Historical Records — index and images
 * 1915 — at FamilySearch Historical Records — index and images
 * 1925 — at FamilySearch Historical Records — index and images
 * 1935 — at FamilySearch Historical Records — index and images
 * 1945 — at FamilySearch Historical Records — index and images

Land and Property Records
Online Land Records


 * Land Patent Search - index to federal patents and homesteads on the Bureau of Land Management website, some images available
 * 1796 - 1907 - U.S. General Land Office Records, 1796-1907 at Ancestry - index, info taken from Bureau of Land Management website
 * 1861 - 1936 - U.S. Homestead Records 1861-1936 at Ancestry.com - ($), index and images

Local Histories

 * Of rails and trails, a centennial journey, 1889-1989. 1989. By Barbara Speck. Dallas, Texas : Curtis Media. Online at:;.

Military Records

 * 1861-1941 - at FamilySearch — index and images

Probate Records
'''Online Records
 * 1800 – 1985 North Dakota and South Dakota Wills and Probate Records 1800-1985 at Ancestry.com — index and images $

Websites

 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.