Jackson County | |
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![]() Location within the U.S. state of South Dakota | |
![]() South Dakota's location within the U.S. | |
Coordinates: 43°42′N 101°38′W / 43.7°N 101.64°W | |
Country | ![]() |
State | ![]() |
Founded | 1883 (created) 1915 (organized) |
Seat | Kadoka |
Largest community | Kadoka |
Area | |
• Total | 1,871 sq mi (4,850 km2) |
• Land | 1,864 sq mi (4,830 km2) |
• Water | 7.4 sq mi (19 km2) 0.4% |
Population (2020) | |
• Total | 2,806 |
• Estimate (2023) | 2,776 ![]() |
• Density | 1.5/sq mi (0.58/km2) |
Time zone | UTC−7 (Mountain) |
• Summer (DST) | UTC−6 (MDT) |
Congressional district | At-large |
Washabaugh County was merged into Jackson County in 1983 |
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]