ZIP code 45866 is officially located in the state of Ohio, primarily serving the city of Montezuma. It falls under the administrative jurisdiction of Mercer County. When planning mail delivery, logistics routing, or demographic research, 45866 operates within the Eastern Time (ET) timezone and supports the 763 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45866 ZIP Code Tabulation Area is approximately 18,263. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $62,866.