RANKING · 2010 CENSUS · 29 SHOWN OF 29

Most population gained, Utah counties · 2010

Utah counties that added the most residents from the 2000 census to 2010, by raw count of people rather than percentage. This list covers the 29 counties in Utah that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Utah County, UTUT759,859+148,028+41%

02Salt Lake County, UTUT1,220,916+131,268−24%

03Davis County, UTUT381,227+67,485+32%

04Washington County, UTUT213,670+47,761+14%

05Weber County, UTUT278,174+34,703−9%

06Cache County, UTUT145,000+21,265+0%

07Tooele County, UTUT87,461+17,483+24%

08Iron County, UTUT67,141+12,384−5%

09Wasatch County, UTUT38,514+8,315+62%

10Uintah County, UTUT38,278+7,364+144%

11Box Elder County, UTUT65,320+7,230+15%

12Summit County, UTUT43,141+6,588−54%

13Sanpete County, UTUT31,453+5,059−22%

14Duchesne County, UTUT20,856+4,236+145%

15Morgan County, UTUT13,383+2,340+46%

16Juab County, UTUT13,567+2,008−17%

17Sevier County, UTUT22,827+1,960−43%

18Kane County, UTUT8,597+1,079+23%

19Carbon County, UTUT20,680+981+406%

20Grand County, UTUT9,790+740−60%

21Beaver County, UTUT7,301+624−50%

22Garfield County, UTUT5,256+437−42%

23San Juan County, UTUT14,542+333−81%

24Rich County, UTUT2,687+303+28%

25Wayne County, UTUT2,587+269−19%

26Daggett County, UTUT934+138−40%

27Piute County, UTUT1,509+121−23%

28Emery County, UTUT10,177+116−78%

29Millard County, UTUT14,057+98−91%

SHOWING 1–29 OF 29

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