ZIP code 55724 is officially located in the state of Minnesota, primarily serving the city of Kelsey. It falls under the administrative jurisdiction of St. Louis County. When planning mail delivery, logistics routing, or demographic research, 55724 operates within the Central Time (CT) timezone and supports the 336 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 55724 ZIP Code Tabulation Area is approximately 36,036. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $48,724.