RANKING · 2025 ESTIMATES · 36 SHOWN OF 36

Fastest shrinking, Oregon counties

Oregon counties with the steepest population decline from the 2020 census to 2025. This list covers the 36 counties in Oregon that qualify, ranked against each other statewide. The median across all 36 is +1.2%. Biggest climber in the top 100 since 2020: Multnomah County, OR, up 27 places to #2.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01▲10Curry County, OROR22,621-3.5%−12.9 pts

02▲27Multnomah County, OROR795,391-2.5%−15.6 pts

03▼2Grant County, OROR7,075-2.2%−3.2 pts

04Harney County, OROR7,380-1.5%−9.3 pts

05▲1Coos County, OROR63,992-1.4%−5.6 pts

06▲8Wasco County, OROR26,310-1.3%−11.1 pts

07▲11Gilliam County, OROR1,971-1.2%−12.7 pts

08▼3Union County, OROR25,900-1.1%−5.1 pts

09▲10Hood River County, OROR23,720-1.1%−21.8 pts

10▲16Jackson County, OROR221,795-0.7%−24.5 pts

11▲11Lane County, OROR381,584-0.4%−14.5 pts

12▲16Clatsop County, OROR40,926-0.4%−7.3 pts

13▲3Josephine County, OROR87,867-0.3%−21.1 pts

14▼6Baker County, OROR16,658-0.1%−9.4 pts

15▲5Tillamook County, OROR27,384-0.0%−12.5 pts

16▼7Lake County, OROR8,187+0.3%−3.0 pts

17▲7Lincoln County, OROR50,636+0.5%−13.9 pts

18▼11Douglas County, OROR111,951+0.7%−5.4 pts

19▲12Clackamas County, OROR426,280+1.2%−20.2 pts

20▼10Klamath County, OROR70,274+1.2%−9.3 pts

21▼8Umatilla County, OROR81,119+1.3%−17.8 pts

22▼20Wheeler County, OROR1,472+1.4%−9.4 pts

23▲10Washington County, OROR611,708+1.9%−41.1 pts

24▼3Yamhill County, OROR110,024+2.1%−27.5 pts

25▼22Malheur County, OROR32,261+2.2%−19.2 pts

26▲4Benton County, OROR97,728+2.7%−7.7 pts

27▼15Wallowa County, OROR7,595+2.8%−1.8 pts

28▼3Marion County, OROR355,777+2.8%−21.8 pts

29▼12Columbia County, OROR54,091+2.9%−13.1 pts

30▲4Polk County, OROR90,037+3.0%−22.9 pts

31▼4Linn County, OROR132,843+3.3%−9.7 pts

32▼9Morrow County, OROR12,602+3.4%−40.8 pts

33▼1Jefferson County, OROR25,740+5.1%−33.9 pts

34▲2Deschutes County, OROR213,072+7.5%−46.4 pts

35▼20Sherman County, OROR2,051+9.7%+8.8 pts

36▼1Crook County, OROR27,564+11.4%−24.5 pts

SHOWING 1–36 OF 36

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES