RANKING · 2010 CENSUS · 29 SHOWN OF 29

Largest households, Utah counties · 2010

Utah counties ranked by average household size (2010 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 –

01Utah County, UTUT759,8593.48–

02Morgan County, UTUT13,3833.32–

03San Juan County, UTUT14,5423.26–

04Juab County, UTUT13,5673.22–

05Davis County, UTUT381,2273.22–

06Sanpete County, UTUT31,4533.15–

07Tooele County, UTUT87,4613.09–

08Wasatch County, UTUT38,5143.09–

09Cache County, UTUT145,0003.09–

10Box Elder County, UTUT65,3203.05–

11Wayne County, UTUT2,5873.01–

12Millard County, UTUT14,0573.00–

13Uintah County, UTUT38,2782.95–

14Beaver County, UTUT7,3012.94–

15Salt Lake County, UTUT1,220,9162.94–

16Washington County, UTUT213,6702.90–

17Rich County, UTUT2,6872.86–

18Iron County, UTUT67,1412.84–

19Weber County, UTUT278,1742.84–

20Sevier County, UTUT22,8272.84–

21Emery County, UTUT10,1772.82–

22Piute County, UTUT1,5092.77–

23Duchesne County, UTUT20,8562.62–

24Summit County, UTUT43,1412.59–

25Carbon County, UTUT20,6802.51–

26Grand County, UTUT9,7902.39–

27Garfield County, UTUT5,2562.32–

28Kane County, UTUT8,5972.19–

29Daggett County, UTUT9342.18–

SHOWING 1–29 OF 29

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