RANKING · 2010 CENSUS · 36 SHOWN OF 36

Fastest shrinking, Oregon counties · 2010

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, OROR2,051-8.7%−1148%

02Wheeler County, OROR1,472-6.9%−163%

03Grant County, OROR7,075-6.2%−691%

04Baker County, OROR16,658-3.6%−139%

05Wallowa County, OROR7,595-3.0%−166%

06Harney County, OROR7,380-2.5%−132%

07Gilliam County, OROR1,971-2.3%−120%

08Malheur County, OROR32,261-1.0%−104%

09Coos County, OROR63,992+0.4%−90%

10Morrow County, OROR12,602+1.6%−96%

11Lincoln County, OROR50,636+3.5%−76%

12Clatsop County, OROR40,926+4.0%−43%

13Tillamook County, OROR27,384+4.1%−67%

14Klamath County, OROR70,274+4.1%−61%

15Union County, OROR25,900+5.0%+26%

16Curry County, OROR22,621+5.8%−38%

17Wasco County, OROR26,310+6.0%−39%

18Lake County, OROR8,187+6.4%+94%

19Douglas County, OROR111,951+7.2%+19%

20Umatilla County, OROR81,119+7.6%−60%

21Lane County, OROR381,584+8.9%−37%

22Josephine County, OROR87,867+9.2%−56%

23Crook County, OROR27,564+9.4%−74%

24Hood River County, OROR23,720+9.5%−54%

25Benton County, OROR97,728+9.5%−8%

26Marion County, OROR355,777+10.7%−57%

27Clackamas County, OROR426,280+11.1%−48%

28Multnomah County, OROR795,391+11.3%−14%

29Jackson County, OROR221,795+12.1%−49%

30Linn County, OROR132,843+13.2%+2%

31Columbia County, OROR54,091+13.3%−17%

32Jefferson County, OROR25,740+14.3%−63%

33Yamhill County, OROR110,024+16.7%−44%

34Washington County, OROR611,708+18.9%−56%

35Polk County, OROR90,037+20.9%−19%

36Deschutes County, OROR213,072+36.7%−32%

SHOWING 1–36 OF 36

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