ZIP code 54235 is officially located in the state of Wisconsin, primarily serving the city of Sturgeon bay. It falls under the administrative jurisdiction of Door County. When planning mail delivery, logistics routing, or demographic research, 54235 operates within the Central Time (CT) timezone and supports the 811 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 54235 ZIP Code Tabulation Area is approximately 30,911. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $135,235.