| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kemmerer | 1 | 2,343 | 2,416 | -0.42% | 294 | 8 | City |
| Afton | 2 | 2,283 | 2,171 | 1.2% | 514 | 4 | Town |
| Alpine | 3 | 1,414 | 1,229 | 2.32% | 1,358 | 1 | Town |
| Diamondville | 4 | 511 | 521 | -0.39% | 482 | 1 | Town |
| Cokeville | 5 | 483 | 499 | -0.62% | 370 | 1 | Town |
| Thayne | 6 | 447 | 389 | 2.52% | 256 | 2 | Town |
| La Barge | 7 | 390 | 396 | -0.26% | 402 | 1 | Town |
| Opal | 8 | 65 | 64 | -1.52% | 165 | 0 | Town |
Kemmerer is the largest city in Lincoln County, with a population of 2,343.
Opal is the smallest city in Lincoln County, with a population of 65.
There are 8 cities in Lincoln County, Wyoming.