ZIP code 54974 is officially located in the state of Wisconsin, primarily serving the city of Rosendale. It falls under the administrative jurisdiction of Fond du Lac County. When planning mail delivery, logistics routing, or demographic research, 54974 operates within the Central Time (CT) timezone and supports the 200 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 54974 ZIP Code Tabulation Area is approximately 34,500. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $98,974.