ZIP code 53818 is officially located in the state of Wisconsin, primarily serving the city of Platteville. It falls under the administrative jurisdiction of Grant County. When planning mail delivery, logistics routing, or demographic research, 53818 operates within the Central Time (CT) timezone and supports the 431 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 53818 ZIP Code Tabulation Area is approximately 6,031. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $46,818.