Buffalo County, South Dakota Genealogy

United States South Dakota  Buffalo County

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

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

Parent County
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

Record Loss
There is no known history of courthouse disasters in this county.

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

Neighboring Counties

 * Brule
 * Hand
 * Hyde
 * Jerauld
 * Lyman

Census
1905, 1915, 1925 State Censuses --Unique information could include: Ethnic Background, Maiden Name, Church Affiliation 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 state census with images can be viewed free at FamilySearch Record Search

Military

 * 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 $

Web Sites

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