ZIP code 54666 is officially located in the state of Wisconsin, primarily serving the city of Warrens. It falls under the administrative jurisdiction of Monroe County. When planning mail delivery, logistics routing, or demographic research, 54666 operates within the Central Time (CT) timezone and supports the 364 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 54666 ZIP Code Tabulation Area is approximately 23,464. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $62,666.