RANKING · 1990 CENSUS · 29 SHOWN OF 29

Most sparsely populated, Utah counties · 1990

Utah counties with the fewest residents per square mile (1990). This list covers the 29 counties in Utah that qualify, ranked against each other statewide. The median across all 29 is 5.

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SAME RANKING BYCities States Metros

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

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Garfield County, UTUT5,2561–

02Wayne County, UTUT2,5871–

03Daggett County, UTUT9341–

04Kane County, UTUT8,5971–

05San Juan County, UTUT14,5422–

06Millard County, UTUT14,0572–

07Rich County, UTUT2,6872–

08Piute County, UTUT1,5092–

09Juab County, UTUT13,5672–

10Grand County, UTUT9,7902–

11Beaver County, UTUT7,3012–

12Emery County, UTUT10,1772–

13Tooele County, UTUT87,4614–

14Duchesne County, UTUT20,8564–

15Uintah County, UTUT38,2785–

16Iron County, UTUT67,1416–

17Box Elder County, UTUT65,3206–

18Sevier County, UTUT22,8278–

19Summit County, UTUT43,1418–

20Wasatch County, UTUT38,5149–

21Morgan County, UTUT13,3839–

22Sanpete County, UTUT31,45310–

23Carbon County, UTUT20,68014–

24Washington County, UTUT213,67020–

25Cache County, UTUT145,00060–

26Utah County, UTUT759,859132–

27Weber County, UTUT278,174259–

28Davis County, UTUT381,227579–

29Salt Lake County, UTUT1,220,916964–

SHOWING 1–29 OF 29

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