ZIP code 54491 is officially located in the state of Wisconsin, primarily serving the city of White lake. It falls under the administrative jurisdiction of Langlade County. When planning mail delivery, logistics routing, or demographic research, 54491 operates within the Central Time (CT) timezone and supports the 866 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 54491 ZIP Code Tabulation Area is approximately 44,966. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $87,491.