ZIP code 99009 is officially located in the state of Washington, primarily serving the city of Elk. It falls under the administrative jurisdiction of Spokane County. When planning mail delivery, logistics routing, or demographic research, 99009 operates within the Pacific Time (PT) timezone and supports the 708 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 99009 ZIP Code Tabulation Area is approximately 11,908. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $93,009.