4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Addis | 1 | 8,026 | 6,790 | 3.17% | 1,909 | 4.20 | Town |
| Port Allen | 2 | 4,862 | 4,931 | -0.29% | 1,715 | 2.83 | City |
| Erwinville | 3 | 2,901 | 2,815 | 1.65% | 305 | 9.52 | CDP |
| Brusly | 4 | 2,615 | 2,574 | 0.31% | 1,182 | 2.21 | Town |
Addis is the largest city in West Baton Rouge Parish, with a population of 8,026.
Brusly is the smallest city in West Baton Rouge Parish.
There are 4 cities in West Baton Rouge Parish, Louisiana.