Back مقاطعة جيرفرسون (واشنطن) Arabic Jefferson County, Washington BAR Джеферсън (окръг, Вашингтон) Bulgarian জেফারশন কাউন্টি, ৱাশিংটন BPY Jefferson Gông (Washington) CDO Джефферсон (гуо, Вашингтон) CE Jefferson County (kondado sa Tinipong Bansa, Washington) CEB Jefferson County (Washington) Czech Jefferson County, Washington Welsh Jefferson County (Washington) German
Jefferson County | |
|---|---|
 Jefferson County Courthouse in Port Townsend | |
 Location within the U.S. state of Washington | |
 Washington's location within the U.S. | |
| Coordinates: 47°50′N 123°35′W / 47.84°N 123.58°W | |
| Country |  United States |
| State |  Washington |
| Founded | December 22, 1852 |
| Named for | Thomas Jefferson |
| Seat | Port Townsend |
| Largest city | Port Townsend |
| Area | |
| • Total | 2,183 sq mi (5,650 km2) |
| • Land | 1,804 sq mi (4,670 km2) |
| • Water | 379 sq mi (980 km2) 17% |
| Population (2020) | |
| • Total | 32,977 |
| • Estimate (2022) | 33,589  |
| • Density | 17/sq mi (7/km2) |
| Time zone | UTC−8 (Pacific) |
| • Summer (DST) | UTC−7 (PDT) |
| Congressional district | 6th |
| Website | www |
Jefferson County is a county located in the U.S. state of Washington. As of the 2020 census, the population was 32,977.[1] The county seat and only incorporated city is Port Townsend.[2] The county is named for Thomas Jefferson.[3]
Jefferson County was formed out of Thurston County on December 22, 1852, by the legislature of Oregon Territory,[4] 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.
- ^ "State & County QuickFacts". United States Census Bureau. Retrieved October 31, 2023.
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
- ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. pp. 168.
- ^ Reinartz, Kay. "History of King County Government 1853–2002" (PDF). p. 2. Archived from the original (PDF) on March 25, 2009. Retrieved December 28, 2007.