RANKING · 1990 CENSUS · 29 SHOWN OF 29

Oldest by median age, Utah counties · 1990

Utah counties ranked by median age of residents (1990 ACS). This list covers the 29 counties in Utah that qualify, ranked against each other statewide. The median across all 29 is 27.9.

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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 –

01Piute County, UTUT1,50939.1–

02Grand County, UTUT9,79034.0–

03Daggett County, UTUT93432.4–

04Beaver County, UTUT7,30132.0–

05Garfield County, UTUT5,25631.5–

06Kane County, UTUT8,59731.4–

07Carbon County, UTUT20,68030.7–

08Wayne County, UTUT2,58730.7–

09Juab County, UTUT13,56730.4–

10Summit County, UTUT43,14130.1–

11Sevier County, UTUT22,82729.0–

12Weber County, UTUT278,17428.9–

13Washington County, UTUT213,67028.2–

14Tooele County, UTUT87,46128.0–

15Wasatch County, UTUT38,51427.9–

16Salt Lake County, UTUT1,220,91627.9–

17Box Elder County, UTUT65,32026.9–

18Rich County, UTUT2,68726.5–

19Morgan County, UTUT13,38326.3–

20Millard County, UTUT14,05726.0–

21Uintah County, UTUT38,27826.0–

22Emery County, UTUT10,17725.4–

23Duchesne County, UTUT20,85625.0–

24Davis County, UTUT381,22724.8–

25Iron County, UTUT67,14124.6–

26Sanpete County, UTUT31,45324.2–

27San Juan County, UTUT14,54224.0–

28Cache County, UTUT145,00023.7–

29Utah County, UTUT759,85922.5–

SHOWING 1–29 OF 29

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