ZIP code 98661 is officially located in the state of Washington, primarily serving the city of Vancouver. It falls under the administrative jurisdiction of Clark County. When planning mail delivery, logistics routing, or demographic research, 98661 operates within the Pacific Time (PT) timezone and supports the 630 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 98661 ZIP Code Tabulation Area is approximately 18,130. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $77,661.