11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Denham Springs | 1 | 9,324 | 9,307 | 0.03% | 1,273 | 7 | City |
| Walker | 2 | 6,410 | 6,367 | 0.12% | 972 | 7 | Town |
| Amite City | 3 | 4,102 | 4,020 | 0.39% | 1,058 | 4 | Town |
| Livingston | 4 | 2,005 | 1,877 | 1.26% | 622 | 3 | Town |
| Watson | 5 | 1,545 | 1,225 | 2.25% | 1,611 | 1 | CDP |
| Killian | 6 | 1,273 | 1,173 | 1.6% | 117 | 11 | Town |
| Albany | 7 | 1,248 | 1,240 | 0.08% | 931 | 1 | Town |
| French Settlement | 8 | 1,172 | 1,071 | 1.74% | 430 | 3 | Village |
| Port Vincent | 9 | 709 | 647 | 1.72% | 416 | 2 | Village |
| Springfield | 10 | 463 | 427 | 1.54% | 330 | 1 | Town |
| Montpelier | 11 | 195 | 198 | -0.51% | 104 | 2 | Village |
Denham Springs is the largest city in Livingston Parish, with a population of 9,324.
Montpelier is the smallest city in Livingston Parish, with a population of 195.
There are 11 cities in Livingston Parish, Louisiana.