ZIP code 45656 is officially located in the state of Ohio, primarily serving the city of Oak hill. It falls under the administrative jurisdiction of Jackson County. When planning mail delivery, logistics routing, or demographic research, 45656 operates within the Eastern Time (ET) timezone and supports the 466 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45656 ZIP Code Tabulation Area is approximately 17,266. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $92,656.