RANKING · 2020 CENSUS · 23 SHOWN OF 23

Youngest by median age, Wyoming counties · 2020

Wyoming counties with the youngest median age (2020 ACS). This list covers the 23 counties in Wyoming that qualify, ranked against each other statewide. The median across all 23 is 41.5.

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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, WYWY38,55829.1+9%

02Campbell County, WYWY48,14534.8+8%

03Sweetwater County, WYWY41,26736.4+6%

04Uinta County, WYWY20,72837.3+19%

05Natrona County, WYWY80,52637.6+3%

06Laramie County, WYWY102,93838.1+8%

07Fremont County, WYWY39,46440.0+6%

08Teton County, WYWY23,33340.0+14%

09Converse County, WYWY13,82440.2+7%

10Carbon County, WYWY14,01340.3+4%

11Lincoln County, WYWY21,18041.1+12%

12Sublette County, WYWY8,92941.5+4%

13Big Horn County, WYWY12,02441.9+8%

14Sheridan County, WYWY33,24143.1+6%

15Washakie County, WYWY7,59744.4+13%

16Goshen County, WYWY12,64044.9+12%

17Weston County, WYWY6,84045.3+11%

18Crook County, WYWY7,85245.5+13%

19Niobrara County, WYWY2,34145.5+6%

20Park County, WYWY31,17145.7+15%

21Johnson County, WYWY8,90848.0+12%

22Hot Springs County, WYWY4,60048.9+11%

23Platte County, WYWY8,63449.1+19%

SHOWING 1–23 OF 23

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