GPS 39.82841266037028, -98.5794985219083 The geographic center of the United States is a point approximately 20 mi (32 km) north of Belle Fourche, South Dakota at 44°58′2.07622″N 103°46′17.60283″W. It has been regarded as such by the U.S. National Geodetic Survey (NGS) since the additions of Alaska and Hawaii to the United States in 1959. OverviewBelle Fourche, South DakotaThe old marker for Geographic Center of the U.S. at Smith Center, Kansas in 1918This is distinct from the contiguous geog...