7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| El Centro | 1 | 44,177 | 44,441 | -0.12% | 3,646 | 12 | City |
| Calexico | 2 | 38,784 | 38,582 | 0.1% | 4,581 | 8 | City |
| Brawley | 3 | 28,607 | 26,510 | 1.49% | 3,537 | 8 | City |
| Imperial | 4 | 22,510 | 20,469 | 1.85% | 3,570 | 6 | City |
| Calipatria | 5 | 6,438 | 6,858 | -1.29% | 1,728 | 4 | City |
| Holtville | 6 | 5,616 | 5,596 | 0.07% | 4,913 | 1 | City |
| Westmorland | 7 | 2,052 | 2,014 | 0.34% | 3,369 | 1 | City |
El Centro is the largest city in Imperial County, with a population of 44,177.
Westmorland is the smallest city in Imperial County, with a population of 2,052.
There are 7 cities in Imperial County, California.