ZIP code 54650 is officially located in the state of Wisconsin, primarily serving the city of Onalaska. It falls under the administrative jurisdiction of La Crosse County. When planning mail delivery, logistics routing, or demographic research, 54650 operates within the Central Time (CT) timezone and supports the 716 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 54650 ZIP Code Tabulation Area is approximately 10,516. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $90,650.