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Hyde County
Also known as Hyde County, South Dakota, Hyde County, SD
county in South Dakota, United States
Key facts
- Country
- United States
- State
- South Dakota
- Named after
- James Hyde
- Seat
- Highmore
- Largest city
- Highmore
- Total
- 866 sq mi (2,240 km )
- Land
- 861 sq mi (2,230 km )
- Water
- 5.6 sq mi (15 km ) 0.6%
- Estimate 2025
- 1,191
- Density
- 1.47/sq mi (0.566/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
~6 min read
Article
Hyde County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 1,262, making it the second-least populous county in South Dakota. Its county seat is Highmore. The county was founded in 1873, as a county of the Dakota Territory, and organized in 1883. It was named for James Hyde, a member of legislature in the 1870s.
History