ZIP code 54220 is officially located in the state of Wisconsin, primarily serving the city of Manitowoc. It falls under the administrative jurisdiction of Manitowoc County. When planning mail delivery, logistics routing, or demographic research, 54220 operates within the Central Time (CT) timezone and supports the 624 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 54220 ZIP Code Tabulation Area is approximately 33,524. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $80,220.