ZIP code 17304 is officially located in the state of Pennsylvania, primarily serving the city of Aspers. It falls under the administrative jurisdiction of Adams County. When planning mail delivery, logistics routing, or demographic research, 17304 operates within the Eastern Time (ET) timezone and supports the 536 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 17304 ZIP Code Tabulation Area is approximately 25,036. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,304.