ZIP code 45631 is officially located in the state of Ohio, primarily serving the city of Gallipolis. It falls under the administrative jurisdiction of Gallia County. When planning mail delivery, logistics routing, or demographic research, 45631 operates within the Eastern Time (ET) timezone and supports the 227 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45631 ZIP Code Tabulation Area is approximately 22,627. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,631.