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Walworth County is a county located in the state of South Dakota. Based on the 2010 census, the population was 5,438. Its county seat is Selby. The county was created in 1873 and organized in 1883. It is named after Walworth County, Wisconsin.
Walworth is named for Walworth County, Wisconsin.
County QuickFacts: CensusBureau Quick Facts
Walworth County, created in 1852, organized in 1883, was named for Walworth County, Wisconsin by settlers from that area. The first county seat was Scranton, which was later added to and called South LeBeau. The voters decided in November of 1884 that the county seat should be moved to Bangor, the center of the county. The long struggle for the county seat began in the summer of 1900 between Selby and Bangor. This battle continued until early in 1908 when the court gave the seat to Selby.
As reported by the Census Bureau, the county has a total area of 744 square miles (1,928 km2), of which, 708
square miles (1,833 km2) of it is land and 36 square miles (94 km2) of it (4.89%) is water.
Bordering counties are as follows: