ZIP code 58021 is officially located in the state of North dakota, primarily serving the city of Davenport. It falls under the administrative jurisdiction of Cass County. When planning mail delivery, logistics routing, or demographic research, 58021 operates within the Central Time (CT) timezone and supports the 300 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 58021 ZIP Code Tabulation Area is approximately 24,800. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,021.