RANKING · 2000 CENSUS · 36 SHOWN OF 36

Fastest shrinking, Oregon counties · 2000

Oregon counties with the steepest population decline from the 1990 census to 2000. 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 population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS –

01Sherman County, OROR2,051+0.8%–

02Grant County, OROR7,075+1.0%–

03Lake County, OROR8,187+3.3%–

04Union County, OROR25,900+3.9%–

05Coos County, OROR63,992+4.2%–

06Wallowa County, OROR7,595+4.6%–

07Douglas County, OROR111,951+6.1%–

08Clatsop County, OROR40,926+7.0%–

09Harney County, OROR7,380+7.8%–

10Baker County, OROR16,658+9.3%–

11Curry County, OROR22,621+9.4%–

12Wasco County, OROR26,310+9.7%–

13Benton County, OROR97,728+10.4%–

14Klamath County, OROR70,274+10.5%–

15Wheeler County, OROR1,472+10.8%–

16Gilliam County, OROR1,971+11.5%–

17Tillamook County, OROR27,384+12.5%–

18Linn County, OROR132,843+13.0%–

19Multnomah County, OROR795,391+13.1%–

20Lane County, OROR381,584+14.2%–

21Lincoln County, OROR50,636+14.4%–

22Columbia County, OROR54,091+16.0%–

23Umatilla County, OROR81,119+19.1%–

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

25Josephine County, OROR87,867+20.9%–

26Clackamas County, OROR426,280+21.4%–

27Malheur County, OROR32,261+21.4%–

28Jackson County, OROR221,795+23.8%–

29Marion County, OROR355,777+24.7%–

30Polk County, OROR90,037+25.9%–

31Yamhill County, OROR110,024+29.7%–

32Crook County, OROR27,564+35.9%–

33Jefferson County, OROR25,740+39.0%–

34Washington County, OROR611,708+42.9%–

35Morrow County, OROR12,602+44.2%–

36Deschutes County, OROR213,072+53.9%–

SHOWING 1–36 OF 36

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS