14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Huntsville | 1 | 233,907 | 215,079 | 1.52% | 1,046 | 224 | City |
| Huntsville | 2 | 233,907 | 216,379 | 1.52% | 1,046 | 224 | City |
| Meridianville | 3 | 10,405 | 7,520 | 2.9% | 669 | 16 | CDP |
| Harvest | 4 | 6,590 | 5,722 | 1.35% | 534 | 12 | CDP |
| Moores Mill | 5 | 6,088 | 5,336 | 0.45% | 448 | 14 | CDP |
| Hazel Green | 6 | 4,056 | 3,629 | 0.7% | 404 | 10 | CDP |
| Owens Cross Roads | 7 | 3,289 | 2,632 | 3.95% | 419 | 8 | Town |
| Owens Cross Roads | 8 | 3,289 | 2,661 | 3.95% | 419 | 8 | Town |
| New Hope | 9 | 2,970 | 2,885 | 0.54% | 343 | 9 | City |
| New Hope | 10 | 2,970 | 2,890 | 0.54% | 343 | 9 | City |
| New Market | 11 | 970 | 1,115 | -4.06% | 55 | 18 | CDP |
| Gurley | 12 | 846 | 840 | 0% | 230 | 4 | Town |
| Gurley | 13 | 846 | 843 | 0% | 230 | 4 | Town |
| Redstone Arsenal | 14 | 752 | 1,292 | -9.62% | 34 | 22 | CDP |
Huntsville is the largest city in Madison County, with a population of 233,907.
Redstone Arsenal is the smallest city in Madison County, with a population of 752.
There are 14 cities in Madison County, Alabama.