RANKING · 2000 CENSUS · 23 SHOWN OF 23

Fastest growing, Wyoming counties · 2000

Wyoming counties ranked by population growth since the prior decennial census. 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 densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Teton County, WYWY23,333+63.4%+0%

02Sublette County, WYWY8,929+22.2%+0%

03Lincoln County, WYWY21,180+15.4%+0%

04Johnson County, WYWY8,908+15.1%+0%

05Campbell County, WYWY48,145+14.7%+0%

06Sheridan County, WYWY33,241+12.7%+0%

07Laramie County, WYWY102,938+11.6%+0%

08Park County, WYWY31,171+11.3%+0%

09Crook County, WYWY7,852+11.2%+0%

10Big Horn County, WYWY12,024+8.9%+0%

11Natrona County, WYWY80,526+8.7%+0%

12Converse County, WYWY13,824+8.3%+0%

13Platte County, WYWY8,634+8.1%+0%

14Fremont County, WYWY39,464+6.4%+0%

15Uinta County, WYWY20,728+5.5%+0%

16Albany County, WYWY38,558+4.0%+0%

17Weston County, WYWY6,840+1.9%+0%

18Hot Springs County, WYWY4,600+1.5%+0%

19Goshen County, WYWY12,640+1.3%+0%

20Washakie County, WYWY7,597-1.2%+0%

21Sweetwater County, WYWY41,267-3.1%+0%

22Niobrara County, WYWY2,341-3.7%+0%

23Carbon County, WYWY14,013-6.1%+0%

SHOWING 1–23 OF 23

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