Douglas County is a county located in the state of South Dakota. Based on the 2010 census, the population was 3,002. Its county seat is
Armour. The county was established in 1873 and organized in 1882. It is named for Stephen Douglas, of Illinois.
Etymology - Origin of Douglas County Name
Douglas is named for United States Senator Stephen A. Douglas.
The first legal organization of the county was completed by the meeting of the Commissioners and appointment of a
full set of county officials in 1882. They named the town of Huston as temporary county seat. The election of 1882
changed the county seat from Huston to Grand View. Later in 1894, Armour became the county seat.
Geography: Land and Water
As reported by the Census Bureau, the county has a total area of 434 square miles (1,124 km2), of which, 434
square miles (1,123 km2) of it is land and 1 square miles (2 km2) of it (0.14%) is water.