18 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Millbrook | 1 | 17,608 | 16,494 | 1.24% | 1,229 | 14 | City |
| Millbrook | 2 | 17,608 | 16,525 | 1.24% | 1,229 | 14 | City |
| Wetumpka | 3 | 7,756 | 7,416 | 1.16% | 708 | 11 | City |
| Wetumpka | 4 | 7,756 | 7,311 | 1.16% | 708 | 11 | City |
| Redland | 5 | 5,266 | 4,602 | 1.98% | 218 | 24 | CDP |
| Tallassee | 6 | 4,697 | 4,788 | -0.38% | 413 | 11 | City |
| Tallassee | 7 | 4,697 | 4,784 | -0.38% | 413 | 11 | City |
| Emerald Mountain | 8 | 3,821 | 3,072 | 2.25% | 237 | 16 | CDP |
| Deatsville | 9 | 1,717 | 1,666 | 0.59% | 357 | 5 | Town |
| Deatsville | 10 | 1,717 | 1,667 | 0.59% | 357 | 5 | Town |
| Elmore | 11 | 1,399 | 1,178 | 3.17% | 223 | 6 | Town |
| Elmore | 12 | 1,399 | 1,184 | 3.17% | 223 | 6 | Town |
| Coosada | 13 | 1,318 | 1,217 | 1.46% | 191 | 7 | Town |
| Coosada | 14 | 1,318 | 1,220 | 1.46% | 191 | 7 | Town |
| Blue Ridge | 15 | 1,267 | 1,353 | -0.39% | 163 | 8 | CDP |
| Eclectic | 16 | 1,217 | 1,193 | 0.33% | 296 | 4 | Town |
| Eclectic | 17 | 1,217 | 1,194 | 0.33% | 296 | 4 | Town |
| Reeltown | 18 | 386 | 365 | -6.08% | 51 | 8 | CDP |
Millbrook is the largest city in Elmore County, with a population of 17,608.
Reeltown is the smallest city in Elmore County, with a population of 386.
There are 18 cities in Elmore County, Alabama.