ZIP code 21914 is officially located in the state of Maryland, primarily serving the city of Charlestown. It falls under the administrative jurisdiction of Cecil County. When planning mail delivery, logistics routing, or demographic research, 21914 operates within the Eastern Time (ET) timezone and supports the 895 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 21914 ZIP Code Tabulation Area is approximately 21,195. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $78,914.