South Dakota South Dakota South Dakota () is a U.S. state in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux Native American tribes, who compose a large portion of the population and historically dominated the territory. South Dakota is the seventeenth largest by area, but the fifth smallest by population and the 5th least densely populated of the 50 United States. As the southern part of the former Dakota Territory, South Dakota became a state on November 2, 1889, simultaneously with North Dakota. Pierre is the state capital and Sioux Falls, with a population
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