Jefferson County, Oregon

Jefferson County: County in Oregon, United States

About

Jefferson County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 21,720 and a population density of 5 people per km². After 10 years in 2020 county had an estimated population of 24,856 inhabitants. Its county seat is Madras. The county was created 110 years ago in 1913.

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

Quick Facts about Jefferson County

Population : 24,856 (2020)
Country : United States of America
State : Oregon (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 Parish, Jefferson County, Jefferson County, Jefferson County, Jefferson County, Jefferson County
Area : 4639 km2
Water as percent of area : 0.6%
Land as percent of area : 99.4%
Named for : Mount Jefferson
Capital : Madras
Establishment : January 01, 1914
Time Zone : America/Los_Angeles
Local time : 08:11:55 (21st December 2024)
Density : 5 Pop. per km² as of 2020
Population growth : 12.62% (2010-2020)
MadrasJeffersoncourthouse image
MadrasJeffersoncourthouse
MadrasJeffersoncourthouse image

Geography

Jefferson County is located at 44°37'46"N 121°10'31"W (44.6294100, -121.1754100). It has 6 neighbors: Marion County, Linn County, Wheeler County, Crook County, Deschutes County and Wasco County.

Jefferson County map

The largest city of Jefferson County is Madras with a population of 7,106. Other cities include, Warm Springs population 2,945, Culver population 1,686 and Metolius population 820. See all Jefferson County cities & populated places.

Jefferson County Populated Places

Cities, towns, neighborhoods & other populated places in Jefferson County.

City Name Population Title
Madras 7,106 City in Oregon, USA
Warm Springs 2,945 City in Meriwether County, Georgia, United States
Culver 1,686 City in Oregon, USA
Metolius 820 City in Oregon, USA

Jefferson County has 6 neighbours.

  • Madras

Demographics

The population of Jefferson County increased by 12.62% in 10 years.

Year Population % Change Method
2010 21,720 - census
2011 21,752 0.15% estimation process
2012 21,834 0.38% estimation process
2013 21,871 0.17% estimation process
2014 22,203 1.5% estimation process
2015 22,541 1.5% estimation process
2016 23,036 2.15% estimation process
2017 23,652 2.6% estimation process
2018 24,150 2.06% estimation process
2019 24,658 2.06% estimation process
2020 24,856 0.8% estimation process

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

Other places with the same name (25)

Oregon Other Counties (more counties)

County Name Population Title
Multnomah County 815,637 County in Oregon, United States
Portland 656,751 The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area.
Washington County 603,514 County in Oregon, United States
Clackamas County 421,596 County in Oregon, United States
Lane County 382,986 County in Oregon, United States
Marion County 349,204 County in Oregon, United States
Jackson County 221,844 County in Oregon, United States
Deschutes County 201,769 County in Oregon, United States
Salem 175,891 The capital of Oregon.
Eugene 173,236 The second most populous city in Oregon.
Linn County 131,054 County in Oregon, United States
Terrebonne 117,664 Census-designated place in Deschutes County, Oregon
Douglas County 111,364 County in Oregon, United States
Hillsboro 110,985 The most populous city in Washington County, Oregon.
Gresham 110,031 The second most populous city in Multnomah County, Oregon.
Yamhill County 107,664 County in Oregon, United States