RANKING · 2000 CENSUS · 36 SHOWN OF 36

Most sparsely populated, Oregon counties · 2000

Oregon counties with the fewest residents per square mile (2000). This list covers the 36 counties in Oregon that qualify, ranked against each other statewide. The median across all 36 is 22.

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SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 1990

01Harney County, OROR7,3801+8%

02Wheeler County, OROR1,4721+11%

03Lake County, OROR8,1871+3%

04Gilliam County, OROR1,9712+12%

05Grant County, OROR7,0752+1%

06Wallowa County, OROR7,5952+5%

07Sherman County, OROR2,0512+1%

08Malheur County, OROR32,2613+21%

09Morrow County, OROR12,6025+44%

10Baker County, OROR16,6585+9%

11Crook County, OROR27,5646+36%

12Wasco County, OROR26,31010+10%

13Jefferson County, OROR25,74011+39%

14Klamath County, OROR70,27411+11%

15Union County, OROR25,90012+4%

16Curry County, OROR22,62113+9%

17Douglas County, OROR111,95120+6%

18Umatilla County, OROR81,11922+19%

19Tillamook County, OROR27,38422+12%

20Deschutes County, OROR213,07238+54%

21Hood River County, OROR23,72039+21%

22Coos County, OROR63,99239+4%

23Clatsop County, OROR40,92643+7%

24Linn County, OROR132,84345+13%

25Lincoln County, OROR50,63645+14%

26Josephine County, OROR87,86746+21%

27Jackson County, OROR221,79565+24%

28Columbia County, OROR54,09166+16%

29Lane County, OROR381,58471+14%

30Polk County, OROR90,03784+26%

31Benton County, OROR97,728116+10%

32Yamhill County, OROR110,024119+30%

33Clackamas County, OROR426,280181+21%

34Marion County, OROR355,777241+25%

35Washington County, OROR611,708615+43%

36Multnomah County, OROR795,3911,532+13%

SHOWING 1–36 OF 36

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS