ZIP code 59921 is officially located in the state of Montana, primarily serving the city of Lake mc donald. It falls under the administrative jurisdiction of Flathead County. When planning mail delivery, logistics routing, or demographic research, 59921 operates within the Central Time (CT) timezone and supports the 839 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 59921 ZIP Code Tabulation Area is approximately 33,039. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,921.