RANKING · 2024 ACS · 29 SHOWN OF 29

Youngest by median age, Utah counties

Utah counties with the youngest median age (2024 ACS). This list covers the 29 counties in Utah that qualify, ranked against each other statewide. The median across all 29 is 34.4.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Utah County, UTUT759,85925.8+11%

02Cache County, UTUT145,00026.2+10%

03Iron County, UTUT67,14130.2+25%

04Juab County, UTUT13,56730.6+15%

05Tooele County, UTUT87,46132.2+19%

06Davis County, UTUT381,22732.5+21%

07Uintah County, UTUT38,27833.2+14%

08▲4Morgan County, UTUT13,38333.3+17%

09▲1Box Elder County, UTUT65,32033.3+19%

10▼2Weber County, UTUT278,17433.7+15%

11▲2Sanpete County, UTUT31,45333.8+34%

12▼3Salt Lake County, UTUT1,220,91634.0+18%

13▼2Duchesne County, UTUT20,85634.1+20%

14▲3Millard County, UTUT14,05734.4+15%

15▼1Beaver County, UTUT7,30134.4+12%

16▼1San Juan County, UTUT14,54235.0+37%

17▼1Wasatch County, UTUT38,51436.8+25%

18Sevier County, UTUT22,82736.8+21%

19▲1Rich County, UTUT2,68738.1+11%

20▲2Carbon County, UTUT20,68038.6+15%

21Emery County, UTUT10,17738.9+29%

22▼3Washington County, UTUT213,67039.1+26%

23▲2Garfield County, UTUT5,25640.7+20%

24▼1Grand County, UTUT9,79040.8+11%

25▼1Summit County, UTUT43,14141.5+25%

26▲1Kane County, UTUT8,59743.3+11%

27▲1Wayne County, UTUT2,58746.0+35%

28▲1Daggett County, UTUT93446.0+17%

29▼3Piute County, UTUT1,50948.3+24%

SHOWING 1–29 OF 29

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES