Union County SD Genealogy

USA (1,379,301) > South Dakota (12,519) > Union County (246)


Union County Records by City/Town

Alcester Genealogy (37)
Big Springs Genealogy (30)
Elk Point Genealogy (66)
Emmet Genealogy (28)


Jefferson Genealogy (31)
North Sioux City Genealogy (27)
Prairie Genealogy (28)
Spink Genealogy (35)


Overview of Union County Records

  • Union County was created in 1862 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 Union County Registrar of Deeds has birth records starting in 1866, marriage records starting in 1886, death records starting in 1905, burial records starting in 1961, land records starting in 1863, and military discharge records starting in 1919.
  • The Union County Clerk Court has probate records starting in 1875, court records starting in 1890, and divorce records.
  • Online indexes and images of some of the above records can be found by using the links on this site.