RANKING · 2000 CENSUS · 29 SHOWN OF 29

Most densely populated, Utah counties · 2000

Utah counties ranked by residents per square mile (2000). This list covers the 29 counties in Utah that qualify, ranked against each other statewide. The median across all 29 is 6.

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SAME RANKING BYCities States Metros

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

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 1990

01Salt Lake County, UTUT1,220,9161,193+24%

02Davis County, UTUT381,227736+27%

03Weber County, UTUT278,174322+24%

04Utah County, UTUT759,859184+40%

05Cache County, UTUT145,00078+30%

06Washington County, UTUT213,67037+86%

07Summit County, UTUT43,14116+92%

08Sanpete County, UTUT31,45314+40%

09Carbon County, UTUT20,68014+1%

10Wasatch County, UTUT38,51413+51%

11Morgan County, UTUT13,38312+29%

12Iron County, UTUT67,14110+62%

13Sevier County, UTUT22,82710+22%

14Box Elder County, UTUT65,3207+17%

15Tooele County, UTUT87,4616+53%

16Uintah County, UTUT38,2786+14%

17Duchesne County, UTUT20,8564+14%

18Emery County, UTUT10,1772+5%

19Juab County, UTUT13,5672+42%

20Beaver County, UTUT7,3012+26%

21Grand County, UTUT9,7902+28%

22Rich County, UTUT2,6872+14%

23Piute County, UTUT1,5092+12%

24San Juan County, UTUT14,5422+14%

25Millard County, UTUT14,0572+9%

26Kane County, UTUT8,5972+17%

27Daggett County, UTUT9341+33%

28Wayne County, UTUT2,5871+15%

29Garfield County, UTUT5,2561+19%

SHOWING 1–29 OF 29

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS