ZIP code 21607 is officially located in the state of Maryland, primarily serving the city of Barclay. It falls under the administrative jurisdiction of Queen Annes County. When planning mail delivery, logistics routing, or demographic research, 21607 operates within the Eastern Time (ET) timezone and supports the 654 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 21607 ZIP Code Tabulation Area is approximately 18,154. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $59,607.