RANKING · 2010 CENSUS · 29 SHOWN OF 29

Fastest growing, Utah counties · 2010

Utah counties ranked by population growth from the 2000 census to 2010. This list covers the 29 counties in Utah that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Wasatch County, UTUT38,514+54.7%+3.8 pts

02Washington County, UTUT213,670+52.9%−33.2 pts

03Tooele County, UTUT87,461+42.9%−10.2 pts

04Utah County, UTUT759,859+40.2%+0.4 pts

05Iron County, UTUT67,141+36.7%−25.8 pts

06Morgan County, UTUT13,383+32.8%+3.9 pts

07Duchesne County, UTUT20,856+29.5%+15.8 pts

08Uintah County, UTUT38,278+29.2%+15.6 pts

09Davis County, UTUT381,227+28.2%+1.1 pts

10Juab County, UTUT13,567+24.4%−17.2 pts

11Cache County, UTUT145,000+23.3%−6.9 pts

12Sanpete County, UTUT31,453+22.2%−17.8 pts

13Summit County, UTUT43,141+22.2%−69.5 pts

14Kane County, UTUT8,597+17.8%+0.9 pts

15Weber County, UTUT278,174+17.7%−6.5 pts

16Box Elder County, UTUT65,320+16.9%−0.2 pts

17Rich County, UTUT2,687+15.5%+1.8 pts

18Daggett County, UTUT934+15.0%−18.5 pts

19Salt Lake County, UTUT1,220,916+14.6%−9.1 pts

20Wayne County, UTUT2,587+10.7%−4.5 pts

21Sevier County, UTUT22,827+10.4%−11.7 pts

22Beaver County, UTUT7,301+10.4%−15.6 pts

23Garfield County, UTUT5,256+9.2%−9.7 pts

24Grand County, UTUT9,790+8.7%−19.5 pts

25Piute County, UTUT1,509+8.4%−3.9 pts

26Carbon County, UTUT20,680+4.8%+3.8 pts

27San Juan County, UTUT14,542+2.3%−11.9 pts

28Emery County, UTUT10,177+1.1%−4.0 pts

29Millard County, UTUT14,057+0.8%−8.7 pts

SHOWING 1–29 OF 29

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS