RANKING · 2024 ACS · 36 SHOWN OF 36

Largest households, Oregon counties

Oregon counties ranked by average household size (2024 ACS). This list covers the 36 counties in Oregon that qualify, ranked against each other statewide. The median across all 36 is 2.37. Biggest climber in the top 100 since 2020: Sherman County, OR, up 11 places to #15.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Morrow County, OROR12,6022.83−1%

02▲4Malheur County, OROR32,2612.74+2%

03▲1Jefferson County, OROR25,7402.730%

04▼2Marion County, OROR355,7772.660%

05Polk County, OROR90,0372.65+3%

06▼3Umatilla County, OROR81,1192.65+1%

07Yamhill County, OROR110,0242.61−4%

08▲4Hood River County, OROR23,7202.57−2%

09▲2Clackamas County, OROR426,2802.560%

10Linn County, OROR132,8432.540%

11▼2Columbia County, OROR54,0912.53−1%

12▼4Washington County, OROR611,7082.53−3%

13▲8Crook County, OROR27,5642.42−1%

14▼1Deschutes County, OROR213,0722.41−1%

15▲11Sherman County, OROR2,0512.41+8%

16▼1Wasco County, OROR26,3102.39−1%

17▲7Klamath County, OROR70,2742.380%

18▼2Jackson County, OROR221,7952.370%

19▲4Josephine County, OROR87,8672.360%

20▼1Union County, OROR25,9002.35−4%

21▲7Harney County, OROR7,3802.33+9%

22▼4Lane County, OROR381,5842.330%

23▼6Benton County, OROR97,7282.32−1%

24▲1Douglas County, OROR111,9512.31−4%

25▼11Clatsop County, OROR40,9262.26+4%

26▼6Multnomah County, OROR795,3912.23−4%

27▼5Tillamook County, OROR27,3842.23+1%

28▲3Baker County, OROR16,6582.21−5%

29▼2Coos County, OROR63,9922.21−3%

30▲5Gilliam County, OROR1,9712.21+9%

31▲3Lake County, OROR8,1872.21+2%

32▼2Wallowa County, OROR7,5952.20−3%

33▼4Lincoln County, OROR50,6362.180%

34▼1Wheeler County, OROR1,4722.080%

35▼3Curry County, OROR22,6212.07−3%

36Grant County, OROR7,0752.04−7%

SHOWING 1–36 OF 36

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES