There are 8 zip codes in Jefferson County, Washington. The most populated is 98368, located in Port Townsend. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
98368Port Townsend17,046
98331Forks5,671
98365Port Ludlow5,259
98339Port Hadlock3,295
98376Quilcene2,109
98320Brinnon1,483
98325Chimacum1,481
98358Nordland882

Jefferson County, Washington Zip Codes by Population (2024)