| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Addis | 1 | 7,876 | 6,792 | 2.57% | 1,873 | 4 | Town |
| Port Allen | 2 | 5,034 | 4,938 | 0.38% | 1,776 | 3 | City |
| Brusly | 3 | 2,622 | 2,576 | 0.31% | 1,185 | 2 | Town |
Addis is the largest city in West Baton Rouge Parish, with a population of 7,876.
Brusly is the smallest city in West Baton Rouge Parish, with a population of 2,622.
There are 3 cities in West Baton Rouge Parish, Louisiana.