RANKING · 2020 CENSUS · 36 SHOWN OF 36

Fastest growing, Oregon counties · 2020

Oregon counties ranked by population growth from the 2010 census to 2020. This list covers the 36 counties in Oregon that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Deschutes County, OROR213,072+25.7%−28.2 pts

02Crook County, OROR27,564+17.9%−18.0 pts

03Polk County, OROR90,037+16.0%−10.0 pts

04Washington County, OROR611,708+13.3%−29.6 pts

05Jefferson County, OROR25,740+12.8%−26.2 pts

06Clackamas County, OROR426,280+12.1%−9.3 pts

07Benton County, OROR97,728+11.2%+0.9 pts

08Multnomah County, OROR795,391+10.9%−2.2 pts

09Clatsop County, OROR40,926+10.9%+3.9 pts

10Linn County, OROR132,843+10.2%−2.7 pts

11Jackson County, OROR221,795+9.9%−14.0 pts

12Marion County, OROR355,777+9.7%−15.0 pts

13Lincoln County, OROR50,636+9.5%−4.9 pts

14Morrow County, OROR12,602+9.1%−35.1 pts

15Lane County, OROR381,584+8.9%−5.3 pts

16Yamhill County, OROR110,024+8.6%−21.1 pts

17Tillamook County, OROR27,384+8.5%−4.0 pts

18Hood River County, OROR23,720+7.3%−13.5 pts

19Gilliam County, OROR1,971+6.6%−4.9 pts

20Columbia County, OROR54,091+6.6%−9.4 pts

21Josephine County, OROR87,867+6.5%−14.4 pts

22Sherman County, OROR2,051+5.9%+5.1 pts

23Wasco County, OROR26,310+5.8%−3.9 pts

24Umatilla County, OROR81,119+5.5%−13.6 pts

25Wallowa County, OROR7,595+5.5%+0.9 pts

26Curry County, OROR22,621+4.8%−4.5 pts

27Klamath County, OROR70,274+4.6%−6.0 pts

28Lake County, OROR8,187+3.4%+0.1 pts

29Baker County, OROR16,658+3.3%−6.0 pts

30Douglas County, OROR111,951+3.3%−2.8 pts

31Coos County, OROR63,992+3.0%−1.2 pts

32Union County, OROR25,900+1.7%−2.2 pts

33Harney County, OROR7,380+1.0%−6.8 pts

34Malheur County, OROR32,261+0.8%−20.6 pts

35Wheeler County, OROR1,472+0.7%−10.1 pts

36Grant County, OROR7,075-2.8%−3.9 pts

SHOWING 1–36 OF 36

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS