ZIP code 20109 is officially located in the state of Virginia, primarily serving the city of Zcta 20109. It falls under the administrative jurisdiction of Prince William County. When planning mail delivery, logistics routing, or demographic research, 20109 operates within the Eastern Time (ET) timezone and supports the 595 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 20109 ZIP Code Tabulation Area is approximately 20,195. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $93,109.