ZIP code 97303 is officially located in the state of Oregon, primarily serving the city of Keizer. It falls under the administrative jurisdiction of Marion County. When planning mail delivery, logistics routing, or demographic research, 97303 operates within the Pacific Time (PT) timezone and supports the 219 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 97303 ZIP Code Tabulation Area is approximately 33,819. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,303.