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. The median across all 23 is +1.1%. Biggest climber in the top 100 since 2020: Sublette County, WY, up 13 places to #10.

Flip the list · Fastest shrinking, US counties →

WyomingAll states All rankings

SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01▲8Crook County, WYWY7,852+9.3%−1.9 pts

02▲1Lincoln County, WYWY21,180+8.2%−7.3 pts

03▲1Sheridan County, WYWY33,241+7.5%−5.2 pts

04▲10Johnson County, WYWY8,908+5.5%−9.7 pts

05▲1Park County, WYWY31,171+5.2%−6.0 pts

06▲7Big Horn County, WYWY12,024+4.4%−4.5 pts

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

08▼6Laramie County, WYWY102,938+2.4%−9.2 pts

09▼1Campbell County, WYWY48,145+2.4%−12.4 pts

10▲13Sublette County, WYWY8,929+2.3%−19.9 pts

11▲5Uinta County, WYWY20,728+1.4%−4.2 pts

12▲8Goshen County, WYWY12,640+1.1%−0.2 pts

13▼8Natrona County, WYWY80,526+0.7%−8.0 pts

14▲1Fremont County, WYWY39,464+0.6%−5.8 pts

15▼5Converse County, WYWY13,824+0.5%−7.8 pts

16▼4Platte County, WYWY8,634+0.3%−7.8 pts

17▲2Weston County, WYWY6,840+0.0%−1.9 pts

18▼17Teton County, WYWY23,333+0.0%−63.4 pts

19▼1Hot Springs County, WYWY4,600-0.5%−2.0 pts

20▲2Washakie County, WYWY7,597-1.1%0.0 pts

21▼4Sweetwater County, WYWY41,267-2.4%+0.7 pts

22▼1Carbon County, WYWY14,013-3.6%+2.5 pts

23▼12Niobrara County, WYWY2,341-5.1%−1.4 pts

SHOWING 1–23 OF 23

Download CSV (full list, 23 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES