RANKING · 2024 ACS · 17 SHOWN OF 17

Most population lost, Wyoming cities

Wyoming cities that lost the most residents from the 2020 census to 2024, by raw count of people rather than percentage. This list covers the 17 cities in Wyoming that qualify, ranked against each other statewide.

Flip the list · Most population gained, US cities →

WyomingAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Rock Springs, WYWY22,936-399+40%

02Ranchettes, WYWY5,949-250−130%

03Green River, WYWY11,450-244−73%

04Casper, WYWY58,771-199−107%

05Lander, WYWY7,379-114−27%

06Rawlins, WYWY7,745-92−89%

07Jackson, WYWY10,720-4−100%

08Gillette, WYWY34,024+28−99%

09Douglas, WYWY6,469+34−84%

10Evanston, WYWY11,705+53−91%

11Torrington, WYWY6,205+63−50%

12Powell, WYWY6,574+84+4%

13Cheyenne, WYWY66,507+107−96%

14Riverton, WYWY10,910+174+61%

15Cody, WYWY10,377+248−74%

16Sheridan, WYWY20,015+548−71%

17Laramie, WYWY32,284+827+60%

SHOWING 1–17 OF 17

Download CSV (full list, 17 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES