Hughes County, South Dakota Hughes County, South Dakota Hughes County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 17,022, making it the least populous capital county in the nation, and the twelfth-most populous county in South Dakota. 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. According to the U.S. Census Bureau, the county has a total area of , of which is land and
Government of South Dakota and a chief justice, is the highest court in the state. Below the supreme court are the circuit courts; 41 circuit judges serve in seven judicial circuits in the state. Below the circuit courts are the magistrate courts, which deal with more minor criminal and civil actions. South Dakota is represented at the federal level by Senator Mike Rounds, Senator John Thune, and Representative Kristi Noem. All the federal representatives are all Republicans, it was the first time since 1961. South Dakota is one of seven states with only one seat in the US House of Representatives. In US presidential