ZIP code 45001 is officially located in the state of Ohio, primarily serving the city of Addyston. It falls under the administrative jurisdiction of Hamilton County. When planning mail delivery, logistics routing, or demographic research, 45001 operates within the Eastern Time (ET) timezone and supports the 304 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45001 ZIP Code Tabulation Area is approximately 25,504. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,001.