ZIP code 97456 is officially located in the state of Oregon, primarily serving the city of Monroe. It falls under the administrative jurisdiction of Benton County. When planning mail delivery, logistics routing, or demographic research, 97456 operates within the Pacific Time (PT) timezone and supports the 419 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 97456 ZIP Code Tabulation Area is approximately 19,319. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $92,456.