ZIP code 98370 is officially located in the state of Washington, primarily serving the city of Poulsbo. It falls under the administrative jurisdiction of Kitsap County. When planning mail delivery, logistics routing, or demographic research, 98370 operates within the Pacific Time (PT) timezone and supports the 428 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 98370 ZIP Code Tabulation Area is approximately 43,828. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $130,370.