ZIP code 57381 is officially located in the state of South dakota, primarily serving the city of Wessington. It falls under the administrative jurisdiction of Beadle County. When planning mail delivery, logistics routing, or demographic research, 57381 operates within the Central Time (CT) timezone and supports the 512 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 57381 ZIP Code Tabulation Area is approximately 21,512. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $117,381.