RANKING · 2020 CENSUS · 29 SHOWN OF 29

Largest households, Utah counties · 2020

Utah counties ranked by average household size (2020 ACS). This list covers the 29 counties in Utah that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Rich County, UTUT2,6873.76+31%

02Utah County, UTUT759,8593.52+1%

03Morgan County, UTUT13,3833.48+5%

04Juab County, UTUT13,5673.30+2%

05Uintah County, UTUT38,2783.29+12%

06Tooele County, UTUT87,4613.28+6%

07Davis County, UTUT381,2273.25+1%

08San Juan County, UTUT14,5423.25−0%

09Wasatch County, UTUT38,5143.13+1%

10Cache County, UTUT145,0003.12+1%

11Piute County, UTUT1,5093.11+12%

12Sanpete County, UTUT31,4533.08−2%

13Box Elder County, UTUT65,3203.06+0%

14Iron County, UTUT67,1413.02+6%

15Daggett County, UTUT9342.99+37%

16Millard County, UTUT14,0572.97−1%

17Weber County, UTUT278,1742.96+4%

18Beaver County, UTUT7,3012.96+1%

19Salt Lake County, UTUT1,220,9162.95+0%

20Summit County, UTUT43,1412.86+10%

21Washington County, UTUT213,6702.85−2%

22Sevier County, UTUT22,8272.82−1%

23Duchesne County, UTUT20,8562.78+6%

24Emery County, UTUT10,1772.68−5%

25Wayne County, UTUT2,5872.66−12%

26Kane County, UTUT8,5972.61+19%

27Garfield County, UTUT5,2562.56+10%

28Carbon County, UTUT20,6802.56+2%

29Grand County, UTUT9,7902.16−10%

SHOWING 1–29 OF 29

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