7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hammond | 1 | 25,285 | 19,708 | 3.82% | 1,774 | 14 | City |
| Ponchatoula | 2 | 7,688 | 7,828 | -0.3% | 1,629 | 5 | City |
| Kentwood | 3 | 2,215 | 2,155 | 0.45% | 312 | 7 | Town |
| Independence | 4 | 1,661 | 1,637 | 0.24% | 689 | 2 | Town |
| Roseland | 5 | 897 | 882 | 0.34% | 432 | 2 | Town |
| Tickfaw | 6 | 692 | 671 | 0.58% | 428 | 2 | Village |
| Tangipahoa | 7 | 461 | 428 | 1.32% | 459 | 1 | Village |
Hammond is the largest city in Tangipahoa Parish, with a population of 25,285.
Tangipahoa is the smallest city in Tangipahoa Parish, with a population of 461.
There are 7 cities in Tangipahoa Parish, Louisiana.