ZIP code 45030 is officially located in the state of Ohio, primarily serving the city of Harrison. It falls under the administrative jurisdiction of Hamilton County. When planning mail delivery, logistics routing, or demographic research, 45030 operates within the Eastern Time (ET) timezone and supports the 502 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45030 ZIP Code Tabulation Area is approximately 34,802. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $50,030.