Jefferson County, Washington
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Question 1 of 8
What should I know about this county?
About Jefferson County
Jefferson County is a county located in the U.S. state of Washington. As of the 2020 census, the population was 32,977. The county seat and only incorporated city is Port Townsend. The county is named for Thomas Jefferson.
Description adapted from Wikipedia, CC BY-SA 4.0.
Question 2 of 8
What is this county like?
Jefferson County at a glance
- County seat
- Port Townsend
- Population
- 32,977 (2020)
- Land area
- 2,183 sq mi
- Founded
- 1852
Question 3 of 8
Where do people live here?
Largest communities in Jefferson County
- Port Townsend county seat10,148
- Port Hadlock-Irondale3,983
- Port Ludlow2,959
- Marrowstone995
- Brinnon907
Question 4 of 8
How did this county come to be?
History of Jefferson County
Jefferson County was formed out of Thurston County on December 22, 1852, by the legislature of Oregon Territory, and included the northern 4,854-square-mile (12,571.8 km2) portion of the Olympic Peninsula. On April 26, 1854, the legislature of Washington Territory created Clallam County from the northwestern 2,670-square-mile (6,915.3 km2) portion of this original area. The Hood Canal Bridge connects Jefferson County to Kitsap County, Washington. The Coupeville-Port Townsend route of the Washington State Ferries connects the county to Whidbey Island in Island County, Washington.
Adapted from Wikipedia, CC BY-SA 4.0.
Question 5 of 8
Am I registered here?
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Confirm you're ready to vote in Jefferson County
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Step 1
Run a guided check
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Step 2
Ask Jefferson County directly
Your county election office handles registration, mail ballots, and polling places.
Question 6 of 8
Who runs elections in this county?
Official channels
Jefferson County election resources
Statewide tools and every Washington resource in one place: the Washington page at Scan Check Protect →
Question 7 of 8
Who are this county's neighbors?
Question 8 of 8
Who made this site?
Part of Washington Voter Check
This is the Jefferson County page of Washington Voter Check, a project of True the Vote, pointing Washington voters at the official tools that already exist — and at Scan Check Protect to verify your registration.
Where anything here differs from what Jefferson County or the Washington Secretary of State publishes, they are right and this page is not.