4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Addis | 1 | 7,725 | 6,790 | 2.48% | 1,838 | 4 | Town |
| Port Allen | 2 | 5,004 | 4,936 | 0.26% | 1,765 | 3 | City |
| Erwinville | 3 | 2,901 | 2,815 | 1.65% | 305 | 10 | CDP |
| Brusly | 4 | 2,595 | 2,575 | 0.15% | 1,173 | 2 | Town |
Addis is the largest city in West Baton Rouge Parish, with a population of 7,725.
Brusly is the smallest city in West Baton Rouge Parish, with a population of 2,595.
There are 4 cities in West Baton Rouge Parish, Louisiana.