ZIP code 53809 is officially located in the state of Wisconsin, primarily serving the city of Fennimore. It falls under the administrative jurisdiction of Grant County. When planning mail delivery, logistics routing, or demographic research, 53809 operates within the Central Time (CT) timezone and supports the 854 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 53809 ZIP Code Tabulation Area is approximately 30,254. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $93,809.