ZIP code 57794 is officially located in the state of South dakota, primarily serving the city of Wounded knee. It falls under the administrative jurisdiction of Shannon County. When planning mail delivery, logistics routing, or demographic research, 57794 operates within the Mountain Time (MT) timezone and supports the 407 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 57794 ZIP Code Tabulation Area is approximately 6,007. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $138,794.