ZIP code 19964 is officially located in the state of Delaware, primarily serving the city of Marydel. It falls under the administrative jurisdiction of Kent County. When planning mail delivery, logistics routing, or demographic research, 19964 operates within the Eastern Time (ET) timezone and supports the 349 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 19964 ZIP Code Tabulation Area is approximately 31,849. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $128,964.