RANKING · 2025 ESTIMATES · 23 SHOWN OF 23

Fastest growing, Wyoming counties

Wyoming counties ranked by population growth from the 2020 census to 2025. This list covers the 23 counties in Wyoming that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Crook County, WYWY7,852+9.3%−1.9 pts

02Lincoln County, WYWY21,180+8.2%−7.3 pts

03Sheridan County, WYWY33,241+7.5%−5.2 pts

04Johnson County, WYWY8,908+5.5%−9.7 pts

05Park County, WYWY31,171+5.2%−6.0 pts

06Big Horn County, WYWY12,024+4.4%−4.5 pts

07Albany County, WYWY38,558+4.0%+0.1 pts

08Laramie County, WYWY102,938+2.4%−9.2 pts

09Campbell County, WYWY48,145+2.4%−12.4 pts

10Sublette County, WYWY8,929+2.3%−19.9 pts

11Uinta County, WYWY20,728+1.4%−4.2 pts

12Goshen County, WYWY12,640+1.1%−0.2 pts

13Natrona County, WYWY80,526+0.7%−8.0 pts

14Fremont County, WYWY39,464+0.6%−5.8 pts

15Converse County, WYWY13,824+0.5%−7.8 pts

16Platte County, WYWY8,634+0.3%−7.8 pts

17Weston County, WYWY6,840+0.0%−1.9 pts

18Teton County, WYWY23,333+0.0%−63.4 pts

19Hot Springs County, WYWY4,600-0.5%−2.0 pts

20Washakie County, WYWY7,597-1.1%+0.0 pts

21Sweetwater County, WYWY41,267-2.4%+0.7 pts

22Carbon County, WYWY14,013-3.6%+2.5 pts

23Niobrara County, WYWY2,341-5.1%−1.4 pts

SHOWING 1–23 OF 23

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU POPULATION ESTIMATES