RANKING · 2010 CENSUS · 23 SHOWN OF 23

Oldest by median age, Wyoming counties · 2010

Wyoming counties ranked by median age of residents (2010 ACS). This list covers the 23 counties in Wyoming that qualify, ranked against each other statewide.

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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

01Hot Springs County, WYWY4,60048.6+10%

02Platte County, WYWY8,63447.5+15%

03Niobrara County, WYWY2,34146.1+8%

04Johnson County, WYWY8,90844.8+4%

05Crook County, WYWY7,85243.6+8%

06Park County, WYWY31,17143.6+10%

07Goshen County, WYWY12,64043.6+9%

08Weston County, WYWY6,84042.3+4%

09Sheridan County, WYWY33,24141.9+3%

10Big Horn County, WYWY12,02441.8+8%

11Washakie County, WYWY7,59741.8+6%

12Converse County, WYWY13,82439.0+4%

13Carbon County, WYWY14,01338.9+0%

14Fremont County, WYWY39,46438.5+2%

15Sublette County, WYWY8,92938.3−4%

16Lincoln County, WYWY21,18037.4+2%

17Laramie County, WYWY102,93837.0+5%

18Teton County, WYWY23,33336.9+5%

19Natrona County, WYWY80,52636.8+1%

20Uinta County, WYWY20,72833.9+8%

21Sweetwater County, WYWY41,26732.8−4%

22Campbell County, WYWY48,14531.9−1%

23Albany County, WYWY38,55826.8+0%

SHOWING 1–23 OF 23

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS