Note that the geographic center of the entire U.S. is northeast of Belle Fourche in Butte County, South Dakota 44°58′N 103°46′W / 44.967°N 103.767°W / 44.967; -103.767, while that of the contiguous 48 is near Lebanon in Smith County, Kansas 39°50′N 98°35′W / 39.833°N 98.583°W / 39.833; -98.583 (Geographic Center of the Contiguous United States).