Data / Rankings / Median age / Counties in Wyoming

Counties in Wyoming by median age, 2024

Niobrara County had the highest median age of 23 counties in 2024, at 54.9 years. Albany County had the lowest, at 28.6 years. The median was 42.7 years and the figure for Wyoming was 39.1 years. Source: the U.S. Census Bureau.

Highest54.9Niobrara County
Lowest28.6Albany County
Median42.723 counties
Wyoming39.1History

All counties, 2024

CSVChart (SVG)

Niobrara CountyNiobrara County: 54.9 years54.9Johnson CountyJohnson County: 47.3 years47.3Platte CountyPlatte County: 47 years47Park CountyPark County: 44.9 years44.9Washakie CountyWashakie County: 44.4 years44.4Crook CountyCrook County: 44.1 years44.1Weston CountyWeston County: 44 years44Sublette CountySublette County: 43.5 years43.5Hot Springs CountyHot Springs County: 43.3 years43.3Goshen CountyGoshen County: 42.8 years42.8Lincoln CountyLincoln County: 42.7 years42.7Sheridan CountySheridan County: 42.7 years42.7Converse CountyConverse County: 42.1 years42.1Big Horn CountyBig Horn County: 41.7 years41.7Carbon CountyCarbon County: 40.6 years40.6Teton CountyTeton County: 40.2 years40.2Fremont CountyFremont County: 39.7 years39.7Laramie CountyLaramie County: 38.5 years38.5Natrona CountyNatrona County: 38.4 years38.4Sweetwater CountySweetwater County: 37.9 years37.9Uinta CountyUinta County: 37.1 years37.1Campbell CountyCampbell County: 36.3 years36.3Albany CountyAlbany County: 28.6 years28.6
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2024
years		Change on 2023
1Niobrara County54.9+5.3
2Johnson County47.3+0.3
3Platte County47-0.8
4Park County44.9+0.1
5Washakie County44.4+0.2
6Crook County44.1-0.2
7Weston County44+0.9
8Sublette County43.5+0.7
9Hot Springs County43.3-2.1
10Goshen County42.8-0.6
11Lincoln County42.7+1.5
11Sheridan County42.7-0.2
13Converse County42.1+0.8
14Big Horn County41.7+0.2
15Carbon County40.6+0.2
16Teton County40.2+0.1
17Fremont County39.7+0.3
18Laramie County38.5+0.3
19Natrona County38.4+0.2
20Sweetwater County37.9+0.5
21Uinta County37.1+0.4
22Campbell County36.3+0.5
23Albany County28.6-0.1

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/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Niobrara County, with 54.9 years in 2024, according to the U.S. Census Bureau.

Which county has the lowest median age?

Albany County, with 28.6 years in 2024.

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 Wyoming: more rankings