Tripp County

Also known as Tripp County, South Dakota, Tripp County, SD

county in South Dakota, United States of America

Key facts

Country: United States
State: South Dakota
Founded: 1873 (created), 1909 (organized)
Named after: Bartlett Tripp
Seat: Winner
Largest city: Winner
Total: 1,618 sq mi (4,190 km )
Land: 1,612 sq mi (4,180 km )
Water: 5.1 sq mi (13 km ) 0.3%
Estimate 2025: 5,708
Density: 3.489/sq mi (1.347/km )
Time zone: UTC−6 ( Central )
Summer dst

Article

Tripp County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 5,624. Its county seat is Winner. The county was created in 1873, and was organized in 1909. It is named for lawyer, judge, and diplomat Bartlett Tripp.

On May 8th, 1965, the county was struck by the only recorded F5 tornado in South Dakota history. The tornado was a mile wide and injured 1 person while tracking through the eastern portion of the county.