ZIP code 45404 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, 45404 operates within the Eastern Time (ET) timezone and supports the 728 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45404 ZIP Code Tabulation Area is approximately 13,328. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,404.