Dewey County SD Genealogy

USA (1,379,301) > South Dakota (12,519) > Dewey County (131)


Dewey County Records by City/Town

Eagle Butte Genealogy (33)
Isabel Genealogy (34)


La Plant Genealogy (30)
Timber Lake Genealogy (35)


Overview of Dewey County Records

  • Dewey County was created in 1873 from unorganized territory.
  • Birth, marriage, death, and divorce records from 1905 to the present can be obtained from the South Dakota Department of Health.
  • The Dewey County Registrar of Deeds has birth, marriage, and land records starting in 1910, death records starting 1911, cemetery records starting in 1941, and military records starting in 1919.
  • The Dewey County Clerk Courts has divorce records, probate records starting in 1911, and court records starting in 1910.
  • The Dewey County Auditor has school census records from 1911 to 1972.
  • Online indexes and images of some of the above records can be found by using the links on this site.