RANKING · 2000 CENSUS · 29 SHOWN OF 29

Youngest by median age, Utah counties · 2000

Utah counties with the youngest median age (2023 ACS). This list covers the 29 counties in Utah that qualify, ranked against each other statewide.

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RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Utah County, UTUT759,85923.3+0%

02Cache County, UTUT145,00023.9+0%

03Iron County, UTUT67,14124.2+0%

04Sanpete County, UTUT31,45325.3+0%

05San Juan County, UTUT14,54225.5+0%

06Juab County, UTUT13,56726.5+0%

07Davis County, UTUT381,22726.8+0%

08Tooele County, UTUT87,46127.1+0%

09Box Elder County, UTUT65,32028.0+0%

10Duchesne County, UTUT20,85628.3+0%

11Morgan County, UTUT13,38328.5+0%

12Salt Lake County, UTUT1,220,91628.9+0%

13Uintah County, UTUT38,27829.0+0%

14Weber County, UTUT278,17429.3+0%

15Wasatch County, UTUT38,51429.5+0%

16Millard County, UTUT14,05729.9+0%

17Emery County, UTUT10,17730.1+0%

18Sevier County, UTUT22,82730.3+0%

19Beaver County, UTUT7,30130.8+0%

20Washington County, UTUT213,67031.0+0%

21Summit County, UTUT43,14133.3+0%

22Carbon County, UTUT20,68033.6+0%

23Garfield County, UTUT5,25633.8+0%

24Wayne County, UTUT2,58734.1+0%

25Rich County, UTUT2,68734.3+0%

26Grand County, UTUT9,79036.9+0%

27Piute County, UTUT1,50938.9+0%

28Kane County, UTUT8,59739.1+0%

29Daggett County, UTUT93439.2+0%

SHOWING 1–29 OF 29

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES