ZIP code 56737 is officially located in the state of Minnesota, primarily serving the city of Middle river. It falls under the administrative jurisdiction of Marshall County. When planning mail delivery, logistics routing, or demographic research, 56737 operates within the Central Time (CT) timezone and supports the 380 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 56737 ZIP Code Tabulation Area is approximately 22,780. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $69,737.