ZIP code 58478 is officially located in the state of North dakota, primarily serving the city of Lake williams. It falls under the administrative jurisdiction of Kidder County. When planning mail delivery, logistics routing, or demographic research, 58478 operates within the Central Time (CT) timezone and supports the 250 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 58478 ZIP Code Tabulation Area is approximately 17,750. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $66,478.