ZIP code 97604 is officially located in the state of Oregon, primarily serving the city of Crater lake. It falls under the administrative jurisdiction of Klamath County. When planning mail delivery, logistics routing, or demographic research, 97604 operates within the Pacific Time (PT) timezone and supports the 281 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 97604 ZIP Code Tabulation Area is approximately 40,181. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,604.