South Dakota State (U.S.A.), a land of Agriculture, tourism, the retail, finance, and health care industries

South Dakota with its amazing landscapes attracts and seduces. + 1 million people live in this state.

The service industry is the largest economic contributor in South Dakota. This sector includes the retail, finance, and health care industries.

Government spending is another important segment of the state's economy. Ellsworth Air Force Base, near Rapid City, is the second-largest single employer in the state.

The five most valuable agricultural products in South Dakota are cattle, corn (maize), soybeans, wheat, and hogs. Agriculture-related industries such as meat packing and ethanol production also have a considerable economic impact on the state. South Dakota is the sixth leading ethanol-producing state in the nation.

Another important sector in South Dakota's economy is tourism. Many travel to view the attractions of the state, particularly those in the Black Hills region, such as historic Deadwood, Mount Rushmore, and the nearby state and national parks. One of the largest tourist events in the state is the annual Sturgis Motorcycle Rally. 

South Dakota has 83,609 miles (134,556 km) of highways, roads, and streets, along with 679 miles (1,093 km) of interstate highways. Two major interstates pass through South Dakota: Interstate 90, which runs east and west through the southern half of the state; and Interstate 29, running north and south in the eastern portion of the state.

South Dakota contains two National Scenic Byways. The Peter Norbeck National Scenic Byway is located in the Black Hills, while the Native American Scenic Byway runs along the Missouri River in the north-central part of the state. Other scenic byways include the Badlands Loop Scenic Byway, the Spearfish Canyon Scenic Byway, and the Wildlife Loop Road Scenic Byway.

South Dakota's largest commercial airports in terms of passenger traffic are the Sioux Falls Regional Airport and Rapid City Regional Airport. Delta Air Lines, Frontier Airlines, and Allegiant Airlines, as well as commuter airlines using the brand affiliation with major airlines serve the two largest airports. Several other cities in the state also have commercial air service: Aberdeen Regional Airport, Huron Regional Airport, Pierre Regional Airport, and Watertown Regional Airport, some of which is subsidized by the Essential Air Service program.