Jefferson County, Washington

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

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 10 years in 2020 county had an estimated population of 32,700 inhabitants. Its county seat is Port Townsend. The county was created 170 years ago in 1851.

Quick Facts about Jefferson County

Population : 32,700 (2020)
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 : 04:37:20 (10th August 2022)
Density : 6 Pop. per km² as of 2020
Population growth : 8.65% (2010-2020)
Jefferson County locator map
Location of Jefferson County on Washington map.
Jefferson County Courthouse in Port Townsend  WA image
Jefferson County Courthouse in Port Townsend WA
Jefferson County Courthouse in Port Townsend  WA image

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 map

The largest city of Jefferson County is Port Townsend with a population of 9,973. . See all Jefferson County cities & populated places.

Jefferson County Populated Places

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

City Name Population Title
Port Townsend 9,973 City in and county seat of Jefferson County, Washington
Port Ludlow 2,603 Census-designated place in Jefferson County, Washington (state), USA

Jefferson County has 6 neighbours.

  • Port Townsend

Demographics

The population of Jefferson County increased by 8.65% in 10 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
2020 32,700 1.46% 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 (25)

Washington Other Counties (more counties)

County Name Population Title
King County 2,274,315 County in the state of Washington, United States
Pierce County 913,890 County in the state of Washington, United States
Snohomish County 830,393 County in the state of Washington, United States
Seattle 769,714 City in Washington, United States; county seat of King County
Spokane County 528,225 County in the state of Washington, United States
Clark County 496,865 County in Washington, United States
Thurston County 294,074 County in the state of Washington, United States
Kitsap County 272,787 County in the state of Washington, United States
Yakima County 251,879 County in the state of Washington, United States
Whatcom County 231,016 County in the state of Washington, United States
Spokane 222,050 County seat of Spokane County, Washington, United States
Tacoma 219,945 County seat of Pierce County, Washington, United States
Benton County 206,426 County in Arkansas, United States
Vancouver 186,192 City in Washington, United States and the largest suburb of Portland, Oregon
Bellevue 148,073 City in King County, Washington, United States
Skagit County 130,789 County in the state of Washington, United States