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Mellette County is a county located in the state of South Dakota. Based on the 2010 census, the population was 2,048. Its county seat is White River. The county was created in 1909 and organized in 1911. It was named by European-American settlers after Arthur C. Mellette, the last Governor of the Dakota Territory and the first Governor of the state of South Dakota.
Mellette is named for Arthur C. Mellette, the first governor of South Dakota and the last governor of Dakota Territory.
County QuickFacts: CensusBureau Quick Facts
Mellette County was created in 1909 and organized in 1911. The county was named for Arthur C. Mellette, who was the last governor of Dakota Territory and the first governor of the state. The first election in Mellette County was held in May, 1911. County Commissioners and officials were elected and White River was named the county seat.
As reported by the Census Bureau, the county has a total area of 1,310 square miles (3,392 km2), of which,
1,306 square miles (3,384 km2) of it is land and 3 square miles (8 km2) of it (0.25%) is water
Bordering counties are as follows: