ZIP code 57315 is officially located in the state of South dakota, primarily serving the city of Avon. It falls under the administrative jurisdiction of Bon Homme County. When planning mail delivery, logistics routing, or demographic research, 57315 operates within the Central Time (CT) timezone and supports the 570 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 57315 ZIP Code Tabulation Area is approximately 8,970. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $95,315.