Geography of South Dakota of the federal or state government, such as Badlands National Park, Wind Cave National Park, and Custer State Park, are located in the state. In 2011, the population of South Dakota was estimated to be 824,082, and the state ranks fifth-lowest in both total population as well as population density in the United States. Sioux Falls, with a population of just over 170,000, is the largest city in the state. Rapid City ranks as South Dakota's second-largest city, and Pierre is the state capital. Historically a very agricultural state, the service and tourism sectors have grown in economic importance in
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