4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Livermore | 1 | 1,193 | 1,225 | -0.42% | 1,152 | 1 | City |
| Calhoun | 2 | 716 | 724 | -0.14% | 1,095 | 1 | City |
| Island | 3 | 452 | 434 | 0.67% | 1,341 | 0 | City |
| Sacramento | 4 | 423 | 425 | 0% | 984 | 0 | City |
Livermore is the largest city in McLean County, with a population of 1,193.
Sacramento is the smallest city in McLean County, with a population of 423.
There are 4 cities in McLean County, Kentucky.