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 244 it passes Summit Peak. Near Old Baldy Mountain, the route enters the Mount Rushmore National Monument area. It curves around the park and heads back to the north. The route ends at US 16A south of Keystone. Highway 244 was originally part of South Dakota Highway 87. The switch to Highway 244 occurred in 1977. South Dakota Highway 244 South Dakota Highway 244 (SD 244) is a short state highway located entirely within Pennington County, South Dakota which provides access to Mount Rushmore. Highway 244 runs generally east–west between its eastern terminus at US 16A near Keystone and its western