RANKING · 2000 CENSUS · 17 SHOWN OF 17

Fastest shrinking, Wyoming cities · 2000

Wyoming cities with the steepest population decline since the prior decennial census. This list covers the 17 cities in Wyoming that qualify, ranked against each other statewide.

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WyomingAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Rawlins, WYWY7,745-9.0%+0%

02Green River, WYWY11,450-7.1%+0%

03Lander, WYWY7,379-2.2%+0%

04Rock Springs, WYWY22,936-1.5%+0%

05Riverton, WYWY10,910+1.2%+0%

06Powell, WYWY6,574+1.5%+0%

07Laramie, WYWY32,284+1.9%+0%

08Torrington, WYWY6,205+2.2%+0%

09Douglas, WYWY6,469+4.2%+0%

10Evanston, WYWY11,705+5.5%+0%

11Cheyenne, WYWY66,507+6.0%+0%

12Casper, WYWY58,771+6.2%+0%

13Gillette, WYWY34,024+11.4%+0%

14Cody, WYWY10,377+11.9%+0%

15Sheridan, WYWY20,015+13.7%+0%

16Ranchettes, WYWY5,949+20.6%+0%

17Jackson, WYWY10,720+94.2%+0%

SHOWING 1–17 OF 17

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