ZIP code 58577 is officially located in the state of North dakota, primarily serving the city of Washburn. It falls under the administrative jurisdiction of McLean County. When planning mail delivery, logistics routing, or demographic research, 58577 operates within the Central Time (CT) timezone and supports the 632 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 58577 ZIP Code Tabulation Area is approximately 7,632. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $49,577.