| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Abbeville | 1 | 10,770 | 11,166 | -0.61% | 1,781 | 6 | City |
| Kaplan | 2 | 4,079 | 4,333 | -1.02% | 1,751 | 2 | City |
| Maurice | 3 | 3,514 | 2,185 | 6.74% | 1,262 | 3 | Village |
| Erath | 4 | 1,924 | 2,020 | -0.82% | 1,095 | 2 | Town |
| Delcambre | 5 | 1,758 | 1,802 | -0.4% | 1,537 | 1 | Town |
| Gueydan | 6 | 1,105 | 1,161 | -0.81% | 1,214 | 1 | Town |
Abbeville is the largest city in Vermilion Parish, with a population of 10,770.
Gueydan is the smallest city in Vermilion Parish, with a population of 1,105.
There are 6 cities in Vermilion Parish, Louisiana.