RANKING · 1990 CENSUS · 17 SHOWN OF 17

Largest by population, Wyoming cities · 1990

The most populous us cities as of the 2023 estimates. This list covers the 17 cities in Wyoming that qualify, ranked against each other statewide.

WyomingAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPTOTAL POPULATIONVS 2000

01Cheyenne, WYWY66,50750,008−6%

02Casper, WYWY58,77146,742−6%

03Laramie, WYWY32,28426,687−2%

04Rock Springs, WYWY22,93618,994+2%

05Gillette, WYWY34,02417,635−10%

06Sheridan, WYWY20,01513,900−12%

07Green River, WYWY11,45012,713+8%

08Evanston, WYWY11,70510,903−5%

09Rawlins, WYWY7,7459,379+10%

10Riverton, WYWY10,9109,202−1%

11Cody, WYWY10,3777,896−11%

12Lander, WYWY7,3797,023+2%

13Torrington, WYWY6,2055,651−2%

14Powell, WYWY6,5745,292−2%

15Douglas, WYWY6,4695,076−4%

16Jackson, WYWY10,7204,452−49%

17Ranchettes, WYWY5,9494,038−17%

SHOWING 1–17 OF 17

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