Tripp County is a county located in the state of South Dakota. Based on the 2010 census, the population was 5,644. Its county seat is
Winner. The county was created in 1873 and organized in 1909. It is named after lawyer, judge, and diplomat Bartlett Tripp.
Etymology - Origin of Tripp County Name
Tripp is named for chief justice of the Dakota Territory Supreme Court Bartlett Tripp.
Tripp County, created in 1873, organized in 1909, was named for Bartlett Tripp, who held the office of chief justice
of the Territorial Supreme Court from 1886 to 1889. An election was held June 1, 1909 for the organization of the
county, election of county officials and selection of the county seat. Lamro was chosen for the county seat. After the
general election in 1910, Winner was chosen as the county seat
Geography: Land and Water
As reported by the Census Bureau, the county has a total area of 1,617 square miles (4,189 km2), of which,
1,614 square miles (4,179 km2) of it is land and 4 square miles (10 km2) of it (0.24%) is water.