Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | El Centro (city), CA | 44,322 |
| 2 | Calexico (city), CA | 38,633 |
| 3 | Brawley (city), CA | 26,416 |
| 4 | Imperial (city), CA | 20,263 |
| 5 | Heber (CDP), CA | 6,896 |
| 6 | Calipatria (city), CA | 6,515 |
| 7 | Holtville (city), CA | 5,605 |
| 8 | Westmorland (city), CA | 2,014 |
| 9 | Seeley (CDP), CA | 1,729 |
| 10 | Niland (CDP), CA | 756 |