ZIP code 45322 is officially located in the state of Ohio, primarily serving the city of Union. It falls under the administrative jurisdiction of Montgomery County. When planning mail delivery, logistics routing, or demographic research, 45322 operates within the Eastern Time (ET) timezone and supports the 618 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 45322 ZIP Code Tabulation Area is approximately 6,918. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $114,322.