CensusEasy
RANKING · 2025 ESTIMATES · 29 SHOWN OF 29

Most sparsely populated, Utah counties

Utah counties with the fewest residents per square mile (2025). This list covers the 29 counties in Utah that qualify, ranked against each other statewide.

Flip the list · Most densely populated, US counties
UtahAll statesAll rankings
SAME RANKING BYCitiesStatesMetros
RELATEDLargest by populationFastest growingFastest shrinkingMost population gainedMost population lostMost densely populated
Most sparsely populated by state
RANKPLACESTATEPOPPOPULATION DENSITYVS –
01Garfield County, UTUT5,2561
02Wayne County, UTUT2,5871
04San Juan County, UTUT14,5422
05Piute County, UTUT1,5092
06Millard County, UTUT14,0572
07Kane County, UTUT8,5972
08Emery County, UTUT10,1772
09Rich County, UTUT2,6873
10Grand County, UTUT9,7903
11Beaver County, UTUT7,3013
12Juab County, UTUT13,5674
13Duchesne County, UTUT20,8566
14Uintah County, UTUT38,2789
15Box Elder County, UTUT65,32011
16Sevier County, UTUT22,82712
17Tooele County, UTUT87,46112
18Carbon County, UTUT20,68014
19Sanpete County, UTUT31,45320
20Iron County, UTUT67,14120
21Morgan County, UTUT13,38322
22Summit County, UTUT43,14123
23Wasatch County, UTUT38,51433
24Washington County, UTUT213,67088
25Cache County, UTUT145,000124
26Utah County, UTUT759,859379
27Weber County, UTUT278,174455
28Davis County, UTUT381,2271,174
29Salt Lake County, UTUT1,220,9161,622
SHOWING 1–29 OF 29
Download CSV (full list, 29 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES