4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Jonesville | 1 | 1,554 | 1,714 | -2.02% | 809 | 1.92 | Town |
| Wallace Ridge | 2 | 756 | 951 | 0.4% | 108 | 7 | CDP |
| Sicily Island | 3 | 330 | 365 | -2.08% | 575 | 0.57 | Village |
| Harrisonburg | 4 | 251 | 278 | -1.95% | 259 | 0.97 | Village |
Jonesville is the largest city in Catahoula Parish, with a population of 1,554.
Harrisonburg is the smallest city in Catahoula Parish.
There are 4 cities in Catahoula Parish, Louisiana.