Data / Rankings / Median age / Counties in Utah

Counties in Utah by median age

Piute County had the highest median age of 29 counties in 2023, at 47.1 years. Utah County had the lowest, at 25.5 years. The median was 34.4 years and the figure for Utah was 31.7 years. Source: the U.S. Census Bureau.

Highest47.1Piute County
Lowest25.5Utah County
Median34.429 counties
Utah31.7History

All counties, 2023

CSVChart (SVG)

Piute CountyPiute County: 47.1 years47.1Daggett CountyDaggett County: 45 years45Kane CountyKane County: 43.7 years43.7Wayne CountyWayne County: 43.1 years43.1Garfield CountyGarfield County: 41 years41Summit CountySummit County: 41 years41Grand CountyGrand County: 39.6 years39.6Emery CountyEmery County: 39.1 years39.1Washington CountyWashington County: 39 years39Carbon CountyCarbon County: 38.8 years38.8Rich CountyRich County: 37.2 years37.2Sevier CountySevier County: 36.7 years36.7Wasatch CountyWasatch County: 36.1 years36.1San Juan CountySan Juan County: 34.6 years34.6Beaver CountyBeaver County: 34.4 years34.4Duchesne CountyDuchesne County: 33.8 years33.8Salt Lake CountySalt Lake County: 33.8 years33.8Sanpete CountySanpete County: 33.8 years33.8Weber CountyWeber County: 33.5 years33.5Millard CountyMillard County: 33.4 years33.4Uintah CountyUintah County: 33 years33Box Elder CountyBox Elder County: 32.9 years32.9Morgan CountyMorgan County: 32.5 years32.5Davis CountyDavis County: 32.3 years32.3Tooele CountyTooele County: 32 years32Juab CountyJuab County: 30.5 years30.5Iron CountyIron County: 29.9 years29.9Cache CountyCache County: 25.9 years25.9Utah CountyUtah County: 25.5 years25.5
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2023
years		Change on 2022
1Piute County47.1-2.4
2Daggett County45+1.7
3Kane County43.7+0.8
4Wayne County43.1+0.1
5Garfield County41+0.6
5Summit County41+0.5
7Grand County39.6-0.7
8Emery County39.1+0.7
9Washington County39+0.4
10Carbon County38.8+1
11Rich County37.2+3.3
12Sevier County36.7+0.5
13Wasatch County36.1+0.6
14San Juan County34.6+1.4
15Beaver County34.4+0.6
16Duchesne County33.8+0.7
16Salt Lake County33.8+0.4
16Sanpete County33.8+0.7
19Weber County33.5+0.3
20Millard County33.4-1
21Uintah County33+0.6
22Box Elder County32.9-0.2
23Morgan County32.5+0.4
24Davis County32.3+0.3
25Tooele County32+0.3
26Juab County30.5+0.4
27Iron County29.9+0.4
28Cache County25.9+0.4
29Utah County25.5+0.3

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Piute County, with 47.1 years in 2023, according to the U.S. Census Bureau.

Which county has the lowest median age?

Utah County, with 25.5 years in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Utah: more rankings