Usta is an unincorporated community in Perkins County, in the U.S. state of South Dakota [1] which lies on South Dakota Highway 73.
Usta was laid out in 1931. [2] A post office called Usta was established in 1931, and remained in operation until 1942. [3]
45°13′13″N 102°09′47″W / 45.22028°N 102.16306°W