ZIP code 20681 is officially located in the state of Maryland, primarily serving the city of Ridge. It falls under the administrative jurisdiction of St. Marys County. When planning mail delivery, logistics routing, or demographic research, 20681 operates within the Eastern Time (ET) timezone and supports the 272 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 20681 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $117,681.