RANKING · 1990 CENSUS · 23 SHOWN OF 23

Oldest by median age, Wyoming counties · 1990

Wyoming counties ranked by median age of residents (1990 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 –

01Niobrara County, WYWY2,34138.3–

02Hot Springs County, WYWY4,60038.2–

03Johnson County, WYWY8,90837.5–

04Sheridan County, WYWY33,24136.3–

05Platte County, WYWY8,63436.3–

06Big Horn County, WYWY12,02436.2–

07Sublette County, WYWY8,92935.4–

08Washakie County, WYWY7,59735.2–

09Goshen County, WYWY12,64034.4–

10Weston County, WYWY6,84034.3–

11Park County, WYWY31,17133.9–

12Crook County, WYWY7,85233.7–

13Teton County, WYWY23,33333.5–

14Natrona County, WYWY80,52632.9–

15Fremont County, WYWY39,46432.9–

16Carbon County, WYWY14,01332.6–

17Laramie County, WYWY102,93831.9–

18Converse County, WYWY13,82431.9–

19Sweetwater County, WYWY41,26730.4–

20Lincoln County, WYWY21,18029.9–

21Campbell County, WYWY48,14529.4–

22Uinta County, WYWY20,72826.9–

23Albany County, WYWY38,55826.6–

SHOWING 1–23 OF 23

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