RANKING · 1990 CENSUS · 23 SHOWN OF 23

Youngest by median age, Wyoming counties · 1990

Wyoming counties with the youngest median age (2023 ACS). This list covers the 23 counties in Wyoming that qualify, ranked against each other statewide.

Flip the list · Oldest by median age, US counties →

WyomingAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Albany County, WYWY38,55826.6−0%

02Uinta County, WYWY20,72826.9−14%

03Campbell County, WYWY48,14529.4−9%

04Lincoln County, WYWY21,18029.9−19%

05Sweetwater County, WYWY41,26730.4−11%

06Converse County, WYWY13,82431.9−15%

07Laramie County, WYWY102,93831.9−10%

08Carbon County, WYWY14,01332.6−16%

09Fremont County, WYWY39,46432.9−13%

10Natrona County, WYWY80,52632.9−10%

11Teton County, WYWY23,33333.5−4%

12Crook County, WYWY7,85233.7−16%

13Park County, WYWY31,17133.9−15%

14Weston County, WYWY6,84034.3−16%

15Goshen County, WYWY12,64034.4−14%

16Washakie County, WYWY7,59735.2−11%

17Sublette County, WYWY8,92935.4−11%

18Big Horn County, WYWY12,02436.2−6%

19Platte County, WYWY8,63436.3−12%

20Sheridan County, WYWY33,24136.3−11%

21Johnson County, WYWY8,90837.5−13%

22Hot Springs County, WYWY4,60038.2−14%

23Niobrara County, WYWY2,34138.3−11%

SHOWING 1–23 OF 23

Download CSV (full list, 23 rows)

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES