Jefferson County ZIP Codes

List of ZIP Codes in Jefferson County

The following table lists ZIP Codes associated with Jefferson County, Washington, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 98320 47.69861 -123.01742 Brinnon 1,313 3.7
2 98325 47.96093 -122.77911 Chimacum 1,654 23.1
3 98331 47.77292 -124.1273 Forks 5,526 2.3
4 98339 48.02991 -122.74364 Port Hadlock 3,480 110.8
5 98358 48.05796 -122.70008 Nordland 982 60.0
6 98365 47.89545 -122.70271 Port Ludlow 5,178 53.8
7 98368 48.03879 -122.84406 Port Townsend 17,401 128.4
8 98376 47.8455 -122.85916 Quilcene 2,018 7.0


About Jefferson County ZIP Codes

Jefferson County in Washington (WA) is served by approximately 8 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 37,552 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Jefferson County are located in cities such as Port Townsend, Forks, Port Ludlow, Port Hadlock, Quilcene. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Jefferson County, Washington follow the America/Los_Angeles time zone.