ZIP code 15057 is officially located in the state of Pennsylvania, primarily serving the city of Mc donald. It falls under the administrative jurisdiction of Washington County. When planning mail delivery, logistics routing, or demographic research, 15057 operates within the Eastern Time (ET) timezone and supports the 292 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 15057 ZIP Code Tabulation Area is approximately 19,192. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $109,057.