5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Prairieville | 1 | 36,045 | 33,228 | 1.72% | 1,639 | 22 | CDP |
| Gonzales | 2 | 14,705 | 12,284 | 3.4% | 1,609 | 9.14 | City |
| Donaldsonville | 3 | 6,962 | 6,707 | 0.74% | 1,843 | 3.78 | City |
| Sorrento | 4 | 1,600 | 1,530 | 0.88% | 439 | 3.65 | Town |
| Darrow | 5 | 171 | 59 | 6.88% | 826 | 0.21 | CDP |
Prairieville is the largest city in Ascension Parish, with a population of 36,045.
Darrow is the smallest city in Ascension Parish.
There are 5 cities in Ascension Parish, Louisiana.