ZIP code 55003 is officially located in the state of Minnesota, primarily serving the city of Bayport. It falls under the administrative jurisdiction of Washington County. When planning mail delivery, logistics routing, or demographic research, 55003 operates within the Central Time (CT) timezone and supports the 427 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 55003 ZIP Code Tabulation Area is approximately 9,527. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,003.