RANKING · 2010 CENSUS · 23 SHOWN OF 23

Youngest by median age, Wyoming counties · 2010

Wyoming counties with the youngest median age (2010 ACS). This list covers the 23 counties in Wyoming that qualify, ranked against each other statewide. The median across all 23 is 39.0.

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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, WYWY38,55826.80%

02Campbell County, WYWY48,14531.9−1%

03Sweetwater County, WYWY41,26732.8−4%

04Uinta County, WYWY20,72833.9+8%

05Natrona County, WYWY80,52636.8+1%

06Teton County, WYWY23,33336.9+5%

07Laramie County, WYWY102,93837.0+5%

08Lincoln County, WYWY21,18037.4+2%

09Sublette County, WYWY8,92938.3−4%

10Fremont County, WYWY39,46438.5+2%

11Carbon County, WYWY14,01338.90%

12Converse County, WYWY13,82439.0+4%

13Big Horn County, WYWY12,02441.8+8%

14Washakie County, WYWY7,59741.8+6%

15Sheridan County, WYWY33,24141.9+3%

16Weston County, WYWY6,84042.3+4%

17Crook County, WYWY7,85243.6+8%

18Park County, WYWY31,17143.6+10%

19Goshen County, WYWY12,64043.6+9%

20Johnson County, WYWY8,90844.8+4%

21Niobrara County, WYWY2,34146.1+8%

22Platte County, WYWY8,63447.5+15%

23Hot Springs County, WYWY4,60048.6+10%

SHOWING 1–23 OF 23

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