Jackson County, South Dakota

Jackson County
Minuteman Missile National Historic Site
Map of South Dakota highlighting Jackson County
Location within the U.S. state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location within the U.S.
Coordinates: 43°42′N 101°38′W / 43.7°N 101.64°W / 43.7; -101.64
Country United States
State South Dakota
Founded1883 (created)
1915 (organized)
SeatKadoka
Largest communityKadoka
Area
 • Total
1,871 sq mi (4,850 km2)
 • Land1,864 sq mi (4,830 km2)
 • Water7.4 sq mi (19 km2)  0.4%
Population
 (2020)
 • Total
2,806
 • Estimate 
(2023)
2,776 Decrease
 • Density1.5/sq mi (0.58/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional districtAt-large
Washabaugh County was merged into Jackson County in 1983
An unusual specimen of calcite, densely intergrown with grains of sand. Collected from Rattlesnake Butte in Jackson County. Size: 6.9 x 5.4 x 3.9 cm.
Jackson County sign on Interstate 90

Jackson County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,806.[1] Its county seat is Kadoka.[2] The county was created in 1883, and was organized in 1915.[3] Washabaugh County was merged into Jackson County in 1983.[4]

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved March 21, 2024.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Archived from the original on April 2, 2018. Retrieved March 30, 2015.
  4. ^ John H. Long, ed. (2006). "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. Newberry Library. Archived from the original on November 13, 2007. Retrieved July 18, 2008.