ZIP code 15840 is officially located in the state of Pennsylvania, primarily serving the city of Falls creek. It falls under the administrative jurisdiction of Jefferson County. When planning mail delivery, logistics routing, or demographic research, 15840 operates within the Eastern Time (ET) timezone and supports the 482 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 15840 ZIP Code Tabulation Area is approximately 23,582. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,840.