RANKING · 2000 CENSUS · 23 SHOWN OF 23

Most sparsely populated, Wyoming counties · 2000

Wyoming counties with the fewest residents per square mile (2000). This list covers the 23 counties in Wyoming that qualify, ranked against each other statewide. The median across all 23 is 4.

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SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 1990

01Niobrara County, WYWY2,3411−4%

02Sublette County, WYWY8,9291+22%

03Johnson County, WYWY8,9082+15%

04Carbon County, WYWY14,0132−6%

05Crook County, WYWY7,8522+11%

06Hot Springs County, WYWY4,6002+2%

07Weston County, WYWY6,8403+2%

08Converse County, WYWY13,8243+8%

09Lincoln County, WYWY21,1804+15%

10Sweetwater County, WYWY41,2674−3%

11Big Horn County, WYWY12,0244+9%

12Washakie County, WYWY7,5974−1%

13Park County, WYWY31,1714+11%

14Fremont County, WYWY39,4644+6%

15Platte County, WYWY8,6344+8%

16Teton County, WYWY23,3335+63%

17Goshen County, WYWY12,6406+1%

18Campbell County, WYWY48,1457+15%

19Albany County, WYWY38,5587+4%

20Uinta County, WYWY20,7289+6%

21Sheridan County, WYWY33,24111+13%

22Natrona County, WYWY80,52612+9%

23Laramie County, WYWY102,93830+12%

SHOWING 1–23 OF 23

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS