3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Newellton | 1 | 756 | 885 | -3.32% | 996 | 0.76 | Town |
| St. Joseph | 2 | 719 | 826 | -2.84% | 808 | 0.89 | Town |
| Waterproof | 3 | 453 | 537 | -3.62% | 650 | 0.70 | Town |
Newellton is the largest city in Tensas Parish, with a population of 756.
Waterproof is the smallest city in Tensas Parish.
There are 3 cities in Tensas Parish, Louisiana.