11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Denham Springs | 1 | 9,351 | 9,346 | 0.01% | 1,277 | 7.32 | City |
| Walker | 2 | 6,401 | 6,383 | 0.06% | 971 | 6.59 | Town |
| Amite City | 3 | 4,049 | 4,019 | 0.15% | 1,044 | 3.88 | Town |
| Livingston | 4 | 2,031 | 1,881 | 1.5% | 630 | 3.22 | Town |
| Watson | 5 | 1,545 | 1,225 | 2.25% | 1,611 | 0.96 | CDP |
| Killian | 6 | 1,263 | 1,175 | 1.45% | 116 | 10.89 | Town |
| Albany | 7 | 1,242 | 1,234 | 0.16% | 927 | 1.34 | Town |
| French Settlement | 8 | 1,183 | 1,078 | 1.81% | 434 | 2.73 | Village |
| Port Vincent | 9 | 716 | 648 | 1.99% | 420 | 1.70 | Village |
| Springfield | 10 | 461 | 426 | 1.54% | 328 | 1.41 | Town |
| Montpelier | 11 | 194 | 198 | -0.51% | 104 | 1.87 | Village |
Denham Springs is the largest city in Livingston Parish, with a population of 9,351.
Montpelier is the smallest city in Livingston Parish.
There are 11 cities in Livingston Parish, Louisiana.