ZIP code 59011 is officially located in the state of Montana, primarily serving the city of Big timber. It falls under the administrative jurisdiction of Sweet Grass County. When planning mail delivery, logistics routing, or demographic research, 59011 operates within the Mountain Time (MT) timezone and supports the 758 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 59011 ZIP Code Tabulation Area is approximately 16,858. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $127,011.