RANKING · 2020 CENSUS · 23 SHOWN OF 23

Oldest by median age, Wyoming counties · 2020

Wyoming counties ranked by median age of residents (2020 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

01Platte County, WYWY8,63449.1+19%

02Hot Springs County, WYWY4,60048.9+11%

03Johnson County, WYWY8,90848.0+12%

04Park County, WYWY31,17145.7+15%

05Crook County, WYWY7,85245.5+13%

06Niobrara County, WYWY2,34145.5+6%

07Weston County, WYWY6,84045.3+11%

08Goshen County, WYWY12,64044.9+12%

09Washakie County, WYWY7,59744.4+13%

10Sheridan County, WYWY33,24143.1+6%

11Big Horn County, WYWY12,02441.9+8%

12Sublette County, WYWY8,92941.5+4%

13Lincoln County, WYWY21,18041.1+12%

14Carbon County, WYWY14,01340.3+4%

15Converse County, WYWY13,82440.2+7%

16Fremont County, WYWY39,46440.0+6%

17Teton County, WYWY23,33340.0+14%

18Laramie County, WYWY102,93838.1+8%

19Natrona County, WYWY80,52637.6+3%

20Uinta County, WYWY20,72837.3+19%

21Sweetwater County, WYWY41,26736.4+6%

22Campbell County, WYWY48,14534.8+8%

23Albany County, WYWY38,55829.1+9%

SHOWING 1–23 OF 23

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