ZIP code 21665 is officially located in the state of Maryland, primarily serving the city of Sherwood. It falls under the administrative jurisdiction of Talbot County. When planning mail delivery, logistics routing, or demographic research, 21665 operates within the Eastern Time (ET) timezone and supports the 861 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 21665 ZIP Code Tabulation Area is approximately 40,061. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $45,665.