ZIP code 21663 is officially located in the state of Maryland, primarily serving the city of Saint michaels. It falls under the administrative jurisdiction of Talbot County. When planning mail delivery, logistics routing, or demographic research, 21663 operates within the Eastern Time (ET) timezone and supports the 693 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 21663 ZIP Code Tabulation Area is approximately 30,093. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $111,663.