ZIP code 57531 is officially located in the state of South dakota, primarily serving the city of Draper. It falls under the administrative jurisdiction of Jones County. When planning mail delivery, logistics routing, or demographic research, 57531 operates within the Central Time (CT) timezone and supports the 249 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 57531 ZIP Code Tabulation Area is approximately 12,149. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,531.