4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Livermore | 1 | 1,198 | 1,225 | -0.5% | 1,156 | 1 | City |
| Calhoun | 2 | 717 | 724 | -0.28% | 1,096 | 1 | City |
| Island | 3 | 449 | 434 | 0.67% | 1,332 | 0 | City |
| Sacramento | 4 | 423 | 425 | -0.24% | 984 | 0 | City |
Livermore is the largest city in McLean County, with a population of 1,198.
Sacramento is the smallest city in McLean County, with a population of 423.
There are 4 cities in McLean County, Kentucky.