10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cheyenne | 1 | 65,114 | 65,249 | -0.04% | 1,792 | 36.34 | City |
| Ranchettes | 2 | 5,714 | 6,384 | -0.1% | 117 | 48.78 | CDP |
| Fox Farm-College | 3 | 4,371 | 4,105 | 1.13% | 1,451 | 3.01 | CDP |
| South Greeley | 4 | 3,679 | 4,473 | -0.97% | 2,204 | 1.67 | CDP |
| Warren AFB | 5 | 2,777 | 2,997 | -0.71% | 593 | 4.68 | CDP |
| Pine Bluffs | 6 | 1,087 | 1,172 | -1.54% | 274 | 3.97 | Town |
| Burns | 7 | 376 | 356 | 1.07% | 123 | 3.05 | Town |
| Carpenter | 8 | 215 | 181 | 6.97% | 903 | 0.24 | CDP |
| Albin | 9 | 154 | 169 | -1.91% | 1,048 | 0.15 | Town |
| Hillsdale | 10 | 39 | 0 | 8.33% | 46 | 0.84 | CDP |
Cheyenne is the largest city in Laramie County, with a population of 65,114.
Hillsdale is the smallest city in Laramie County.
There are 10 cities in Laramie County, Wyoming.