Hughes County is a county located in the state of South Dakota. Based on the 2010 census, the population was 17,022, making it the least
populous capital county in the nation. Its county seat is Pierre, the state capital. The county was created in 1873 and organized in 1880. It
was named for Alexander Hughes, a legislator.
Hughes County is part of the Pierre, SD Micropolitan Statistical Area.
Hughes is named for territorial legislator Alexander Hughes.
County QuickFacts: CensusBureau Quick Facts
Hughes County derived its name from the Honorable Alexander Hughes, one-time member of the territorial legislature. The county as organized by order of Governor Ordway and its official existence commenced on November 26, 1880 with a county commission meeting. Pierre, being the only town in the county, was designated as the county seat. The citizens of Pierre won for their city the permanent location of the state capital in a vote in 1890.
As reported by the Census Bureau, the county has a total area of 800 square miles (2,073 km2), of which, 741
square miles (1,919 km2) of it is land and 59 square miles (154 km2) of it (7.42%) is water.
Bordering counties are as follows: