ZIP code 59901 is officially located in the state of Montana, primarily serving the city of Evergreen. It falls under the administrative jurisdiction of Flathead County. When planning mail delivery, logistics routing, or demographic research, 59901 operates within the Mountain Time (MT) timezone and supports the 292 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 59901 ZIP Code Tabulation Area is approximately 21,992. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,901.