ZIP code 45897 is officially located in the state of Ohio, primarily serving the city of Williamstown. It falls under the administrative jurisdiction of Hancock County. When planning mail delivery, logistics routing, or demographic research, 45897 operates within the Eastern Time (ET) timezone and supports the 326 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45897 ZIP Code Tabulation Area is approximately 15,026. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $89,897.