RANKING · 2025 ESTIMATES · 23 SHOWN OF 23

Most densely populated, Wyoming counties

Wyoming counties ranked by residents per square mile (2025). This list covers the 23 counties in Wyoming that qualify, ranked against each other statewide.

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RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Laramie County, WYWY102,93838–

02Natrona County, WYWY80,52615–

03Sheridan County, WYWY33,24113–

04Campbell County, WYWY48,14510–

05Uinta County, WYWY20,72810–

06Albany County, WYWY38,5589–

07Teton County, WYWY23,3336–

08Goshen County, WYWY12,6406–

09Lincoln County, WYWY21,1805–

10Park County, WYWY31,1714–

11Fremont County, WYWY39,4644–

12Platte County, WYWY8,6344–

13Sweetwater County, WYWY41,2674–

14Big Horn County, WYWY12,0244–

15Washakie County, WYWY7,5973–

16Converse County, WYWY13,8243–

17Weston County, WYWY6,8403–

18Crook County, WYWY7,8523–

19Hot Springs County, WYWY4,6002–

20Johnson County, WYWY8,9082–

21Sublette County, WYWY8,9292–

22Carbon County, WYWY14,0132–

23Niobrara County, WYWY2,3411–

SHOWING 1–23 OF 23

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES