9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Monroeville | 1 | 5,598 | 5,937 | -1.2% | 419 | 13.35 | City |
| Frisco City | 2 | 1,094 | 1,168 | -1.35% | 272 | 4.03 | Town |
| Franklin | 3 | 552 | 589 | -1.25% | 37 | 15.07 | Town |
| Excel | 4 | 517 | 552 | -1.34% | 314 | 1.65 | Town |
| Uriah | 5 | 423 | 401 | 2.17% | 263 | 1.61 | CDP |
| Vredenburgh | 6 | 216 | 221 | -0.46% | 144 | 1.50 | Town |
| Beatrice | 7 | 197 | 204 | -0.51% | 146 | 1.35 | Town |
| Peterman | 8 | 39 | 113 | 8.33% | 92 | 0.42 | CDP |
| Megargel | 9 | 8 | 20 | 14.29% | 12 | 0.69 | CDP |
Monroeville is the largest city in Monroe County, with a population of 5,598.
Megargel is the smallest city in Monroe County.
There are 9 cities in Monroe County, Alabama.