ZIP code 57479 is officially located in the state of South dakota, primarily serving the city of Warner. It falls under the administrative jurisdiction of Brown County. When planning mail delivery, logistics routing, or demographic research, 57479 operates within the Central Time (CT) timezone and supports the 257 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 57479 ZIP Code Tabulation Area is approximately 40,157. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $83,479.