ZIP code 21804 is officially located in the state of Maryland, primarily serving the city of Zcta 21804. It falls under the administrative jurisdiction of Wicomico County. When planning mail delivery, logistics routing, or demographic research, 21804 operates within the Eastern Time (ET) timezone and supports the 729 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 21804 ZIP Code Tabulation Area is approximately 16,829. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,804.