RANKING · 2025 ESTIMATES · 36 SHOWN OF 36

Fastest growing, Oregon counties

Oregon counties ranked by population growth from the 2020 census to 2025. 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

01Crook County, OROR27,564+11.4%−68%

02Sherman County, OROR2,051+9.7%+1060%

03Deschutes County, OROR213,072+7.5%−86%

04Jefferson County, OROR25,740+5.1%−87%

05Morrow County, OROR12,602+3.4%−92%

06Linn County, OROR132,843+3.3%−75%

07Polk County, OROR90,037+3.0%−89%

08Columbia County, OROR54,091+2.9%−82%

09Marion County, OROR355,777+2.8%−88%

10Wallowa County, OROR7,595+2.8%−39%

11Benton County, OROR97,728+2.7%−74%

12Malheur County, OROR32,261+2.2%−90%

13Yamhill County, OROR110,024+2.1%−93%

14Washington County, OROR611,708+1.9%−96%

15Wheeler County, OROR1,472+1.4%−87%

16Umatilla County, OROR81,119+1.3%−93%

17Klamath County, OROR70,274+1.2%−88%

18Clackamas County, OROR426,280+1.2%−95%

19Douglas County, OROR111,951+0.7%−89%

20Lincoln County, OROR50,636+0.5%−97%

21Lake County, OROR8,187+0.3%−90%

22Tillamook County, OROR27,384-0.0%−100%

23Baker County, OROR16,658-0.1%−101%

24Josephine County, OROR87,867-0.3%−101%

25Clatsop County, OROR40,926-0.4%−105%

26Lane County, OROR381,584-0.4%−103%

27Jackson County, OROR221,795-0.7%−103%

28Hood River County, OROR23,720-1.1%−105%

29Union County, OROR25,900-1.1%−129%

30Gilliam County, OROR1,971-1.2%−110%

31Wasco County, OROR26,310-1.3%−114%

32Coos County, OROR63,992-1.4%−135%

33Harney County, OROR7,380-1.5%−120%

34Grant County, OROR7,075-2.2%−309%

35Multnomah County, OROR795,391-2.5%−119%

36Curry County, OROR22,621-3.5%−138%

SHOWING 1–36 OF 36

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES