3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Addis | 1 | 7,912 | 6,790 | 2.42% | 1,882 | 4 | Town |
| Port Allen | 2 | 5,018 | 4,936 | 0.28% | 1,770 | 3 | City |
| Brusly | 3 | 2,599 | 2,575 | 0.15% | 1,174 | 2 | Town |
Addis is the largest city in West Baton Rouge Parish, with a population of 7,912.
Brusly is the smallest city in West Baton Rouge Parish, with a population of 2,599.
There are 3 cities in West Baton Rouge Parish, Louisiana.