ZIP code 45218 is officially located in the state of Ohio, primarily serving the city of Greenhills. It falls under the administrative jurisdiction of Hamilton County. When planning mail delivery, logistics routing, or demographic research, 45218 operates within the Eastern Time (ET) timezone and supports the 660 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45218 ZIP Code Tabulation Area is approximately 39,860. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $46,218.