ZIP code 98303 is officially located in the state of Washington, primarily serving the city of Anderson island. It falls under the administrative jurisdiction of Pierce County. When planning mail delivery, logistics routing, or demographic research, 98303 operates within the Pacific Time (PT) timezone and supports the 332 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 98303 ZIP Code Tabulation Area is approximately 29,732. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,303.