Geographic Center of the US Belle Fourche SD – September 2021 Belle Fourche (pronounced bell foosh) is the actual geographic center of the US. It became the center when Alaska and Hawaii were added as states in 1959. We are standing at the geographic center of the US. Buckskin Johnny Cabin was the first built in this area, in 1876. Inside of the cabin. Inside the cabin. This is a 1928 International Harvester 10-20 tractor.