| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Abbeville | 1 | 10,800 | 11,166 | -0.56% | 1,786 | 6 | City |
| Kaplan | 2 | 4,072 | 4,333 | -1.07% | 1,748 | 2 | City |
| Maurice | 3 | 3,433 | 2,185 | 6.78% | 1,233 | 3 | Village |
| Erath | 4 | 1,914 | 2,022 | -0.93% | 1,089 | 2 | Town |
| Delcambre | 5 | 1,758 | 1,806 | -0.45% | 1,537 | 1 | Town |
| Gueydan | 6 | 1,114 | 1,162 | -0.71% | 1,224 | 1 | Town |
Abbeville is the largest city in Vermilion Parish, with a population of 10,800.
Gueydan is the smallest city in Vermilion Parish, with a population of 1,114.
There are 6 cities in Vermilion Parish, Louisiana.