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
South Dakota Highway 271 South Dakota Highway 271 South Dakota Highway 271 (SD 271) is a state highway in the north-central part of the U.S. state of South Dakota. It connects portions of northeast Walworth County with the northeastern part of Campbell County. It consists of two disconnected segments. The southern segment extends from U.S. Route 12 (US 12) south of Java to a rural intersection at the Walworth–Campbell county line, northeast of Selby. The northern segment begins at an intersection with SD 10 west of Eureka and ends at an intersection with 102nd Street at the North Dakota state line. Here, the roadway