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.
This article uses material from the Wikipedia article “Geographic center of the United States“, which is released under the Creative Commons Attribution-Share-Alike License 3.0.