ZIP code 21523 is officially located in the state of Maryland, primarily serving the city of Bloomington. It falls under the administrative jurisdiction of Garrett County. When planning mail delivery, logistics routing, or demographic research, 21523 operates within the Eastern Time (ET) timezone and supports the 543 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 21523 ZIP Code Tabulation Area is approximately 15,243. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $131,523.