RANKING · 2000 CENSUS · 36 SHOWN OF 36

Fastest shrinking, Oregon counties · 2000

Oregon counties with the steepest population decline since the prior decennial census. 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 growing Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Sherman County, OROR2,051+0.8%+0%

02Grant County, OROR7,075+1.0%+0%

03Lake County, OROR8,187+3.3%+0%

04Union County, OROR25,900+3.9%+0%

05Coos County, OROR63,992+4.2%+0%

06Wallowa County, OROR7,595+4.6%+0%

07Douglas County, OROR111,951+6.1%+0%

08Clatsop County, OROR40,926+7.0%+0%

09Harney County, OROR7,380+7.8%+0%

10Baker County, OROR16,658+9.3%+0%

11Curry County, OROR22,621+9.4%+0%

12Wasco County, OROR26,310+9.7%+0%

13Benton County, OROR97,728+10.4%+0%

14Klamath County, OROR70,274+10.5%+0%

15Wheeler County, OROR1,472+10.8%+0%

16Gilliam County, OROR1,971+11.5%+0%

17Tillamook County, OROR27,384+12.5%+0%

18Linn County, OROR132,843+13.0%+0%

19Multnomah County, OROR795,391+13.1%+0%

20Lane County, OROR381,584+14.2%+0%

21Lincoln County, OROR50,636+14.4%+0%

22Columbia County, OROR54,091+16.0%+0%

23Umatilla County, OROR81,119+19.1%+0%

24Hood River County, OROR23,720+20.8%+0%

25Josephine County, OROR87,867+20.9%+0%

26Clackamas County, OROR426,280+21.4%+0%

27Malheur County, OROR32,261+21.4%+0%

28Jackson County, OROR221,795+23.8%+0%

29Marion County, OROR355,777+24.7%+0%

30Polk County, OROR90,037+25.9%+0%

31Yamhill County, OROR110,024+29.7%+0%

32Crook County, OROR27,564+35.9%+0%

33Jefferson County, OROR25,740+39.0%+0%

34Washington County, OROR611,708+42.9%+0%

35Morrow County, OROR12,602+44.2%+0%

36Deschutes County, OROR213,072+53.9%+0%

SHOWING 1–36 OF 36

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES