| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Denham Springs | 1 | 9,391 | 9,308 | 0.14% | 1,282 | 7 | City |
| Walker | 2 | 6,492 | 6,365 | 0.25% | 985 | 7 | Town |
| Amite City | 3 | 4,094 | 4,013 | 0.32% | 1,056 | 4 | Town |
| Livingston | 4 | 2,032 | 1,876 | 1.3% | 630 | 3 | Town |
| Killian | 5 | 1,279 | 1,168 | 1.51% | 117 | 11 | Town |
| Albany | 6 | 1,244 | 1,237 | 0% | 928 | 1 | Town |
| French Settlement | 7 | 1,186 | 1,068 | 1.72% | 435 | 3 | Village |
| Port Vincent | 8 | 721 | 648 | 1.69% | 423 | 2 | Village |
| Springfield | 9 | 471 | 427 | 1.73% | 335 | 1 | Town |
| Montpelier | 10 | 198 | 198 | 0% | 106 | 2 | Village |
Denham Springs is the largest city in Livingston Parish, with a population of 9,391.
Montpelier is the smallest city in Livingston Parish, with a population of 198.
There are 10 cities in Livingston Parish, Louisiana.