| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Prattville | 1 | 41,166 | 37,836 | 1.44% | 1,152 | 36 | City |
| Autaugaville | 2 | 823 | 785 | 0.73% | 105 | 8 | Town |
| Billingsley | 3 | 128 | 130 | -0.78% | 109 | 1 | Town |
Prattville is the largest city in Autauga County, with a population of 41,166.
Billingsley is the smallest city in Autauga County, with a population of 128.
There are 3 cities in Autauga County, Alabama.