ZIP code 45405 is officially located in the state of Ohio, primarily serving the city of Dayton. It falls under the administrative jurisdiction of Montgomery County. When planning mail delivery, logistics routing, or demographic research, 45405 operates within the Eastern Time (ET) timezone and supports the 278 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45405 ZIP Code Tabulation Area is approximately 36,678. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $125,405.