ZIP code 58531 is officially located in the state of North dakota, primarily serving the city of Coleharbor. It falls under the administrative jurisdiction of McLean County. When planning mail delivery, logistics routing, or demographic research, 58531 operates within the Central Time (CT) timezone and supports the 874 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 58531 ZIP Code Tabulation Area is approximately 24,674. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,531.