RANKING · 2024 ACS · 23 SHOWN OF 23

Youngest by median age, Wyoming counties

Wyoming counties with the youngest median age (2024 ACS). This list covers the 23 counties in Wyoming that qualify, ranked against each other statewide. The median across all 23 is 42.7. Biggest climber in the top 100 since 2020: Hot Springs County, WY, up 7 places to #15.

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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

01Albany County, WYWY38,55828.6+7%

02Campbell County, WYWY48,14536.3+13%

03▲1Uinta County, WYWY20,72837.1+18%

04▼1Sweetwater County, WYWY41,26737.9+11%

05Natrona County, WYWY80,52638.4+5%

06Laramie County, WYWY102,93838.5+9%

07Fremont County, WYWY39,46439.7+5%

08Teton County, WYWY23,33340.2+15%

09▲1Carbon County, WYWY14,01340.6+4%

10▲3Big Horn County, WYWY12,02441.7+8%

11▼2Converse County, WYWY13,82442.1+12%

12▼1Lincoln County, WYWY21,18042.7+16%

13▲1Sheridan County, WYWY33,24142.7+5%

14▲2Goshen County, WYWY12,64042.8+7%

15▲7Hot Springs County, WYWY4,60043.3−2%

16▼4Sublette County, WYWY8,92943.5+9%

17Weston County, WYWY6,84044.0+8%

18Crook County, WYWY7,85244.1+10%

19▼4Washakie County, WYWY7,59744.4+13%

20Park County, WYWY31,17144.9+13%

21▲2Platte County, WYWY8,63447.0+14%

22▼1Johnson County, WYWY8,90847.3+10%

23▼4Niobrara County, WYWY2,34154.9+28%

SHOWING 1–23 OF 23

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