Jefferson County , Washington

Jefferson County: County in the state of Washington, United States

Jefferson County locator map
Location of Jefferson County on Washington map.

About

Jefferson County is a county located in the U.S. state of Washington. As of the 2010 census, the population was 29,872 and a population density of 5 people per km². After 9 years in 2019 county had an estimated population of 32,221 inhabitants. Its county seat is Port Townsend. The county was created 169 years ago in 1851.

Geography

Jefferson County is located at 47°46'36"N 123°34'28"W (47.7765500, -123.5743100). It has 6 neighbors: Clallam County, Grays Harbor County, Island County, Kitsap County, Mason County and San Juan County.

Jefferson County Courthouse in Port Townsend  WA image
Jefferson County Courthouse in Port Townsend WA

The largest city of Jefferson County is Port Townsend with a population of 9,831. Other cities include, Marrowstone population 844, Brinnon population 797 and Quilcene population 596. See all Jefferson County cities & populated places.

Jefferson County Courthouse in Port Townsend  WA image

Jefferson County map

Jefferson County Quick Facts

Population : 32,221 (2019)
Country : United States of America
State : Washington (United States)
Different from : Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson Parish, Jefferson County, Jefferson County, Jefferson County, Jefferson County
Area : 5655 km2
Water as percent of area : 17%
Land as percent of area : 83%
Named for : Thomas Jefferson
Capital : Port Townsend
Establishment : January 01, 1852
Time Zone : America/Los_Angeles
Local time : 04:12:46 (1st August 2021)
Density : 6 Pop. per km² as of 2019
Population growth : 7.29% (2010-2019)

Jefferson County has 6 neighbours.

  • Port Townsend

Demographics

The population of Jefferson County increased by 7.29% in 9 years.

Year Population % Change Method
2010 29,872 - census
2011 29,853 -0.06% estimation process
2012 29,800 -0.18% estimation process
2013 30,004 0.68% estimation process
2014 30,147 0.47% estimation process
2015 30,339 0.63% estimation process
2016 30,910 1.85% estimation process
2017 31,210 0.96% estimation process
2018 31,746 1.69% estimation process
2019 32,221 1.47% estimation process

Comitatul Jefferson, Comte de Jefferson, Comté de Jefferson, Condado de Jefferson, Condado han Jefferson, Contea di Jefferson, Dzhefersun, Dzhefferson, Hrabstwo Jefferson, Jefferson, Jefferson Kun, Jefferson Kūn, Jefferson konderria, Jefferson megye, Jeffersoni maakond, Kantono Jefferson, Okrug DZeferson, Quan Jefferson, Quận Jefferson, jefason jun, jepharasana ka'unti, jie fu xun xian, mqatʿt jyrfrswn, shhrstan jfrswn washyngtn, Джеферсън, Джефферсон, Округ Џеферсон, جیفرسن کاؤنٹی، واشنگٹن, شهرستان جفرسون، واشینگتن, مقاطعة جيرفرسون, জেফারশন কাউন্টি, ジェファーソン郡, 傑佛遜縣

People born in Jefferson County (1)

American football player (1910-1941) Tommy Yarr was born in Jefferson County

Other places with the same name (24)

Jefferson County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Jefferson County.

City Name Population Title
Port Townsend 9,831 City in and county seat of Jefferson County, Washington
Port Ludlow 2,603 Census-designated place in Jefferson County, Washington (state), USA
Marrowstone 844
Brinnon 797
Quilcene 596

Washington Other Counties (more counties)

County Name Population Title
Washington 7,614,893 State of the United States of America
King County 2,252,782 County in the state of Washington, United States
Pierce County 904,980 County in the state of Washington, United States
Snohomish County 822,083 County in the state of Washington, United States
Seattle 753,675 City in Washington, United States; county seat of King County
Spokane County 522,798 County in the state of Washington, United States
Clark County 488,241 County in Washington, United States
Thurston County 290,536 County in the state of Washington, United States
Kitsap County 271,473 County in the state of Washington, United States
Yakima County 250,873 County in the state of Washington, United States
Whatcom County 229,247 County in the state of Washington, United States
Spokane 222,081 County seat of Spokane County, Washington, United States
Tacoma 217,827 County seat of Pierce County, Washington, United States
Benton County 204,390 County in Arkansas, United States
Vancouver 184,463 City in Washington, United States and the largest suburb of Portland, Oregon
Bellevue 148,164 City in King County, Washington, United States

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