Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | San Bernardino (city), CA | 222,101 |
| 2 | Moreno Valley (city), CA | 208,634 |
| 3 | Hemet (city), CA | 89,833 |
| 4 | Redlands (city), CA | 73,168 |
| 5 | Highland (city), CA | 56,999 |
| 6 | Yucaipa (city), CA | 54,542 |
| 7 | Colton (city), CA | 53,909 |
| 8 | San Jacinto (city), CA | 53,898 |
| 9 | Banning (city), CA | 29,505 |
| 10 | Loma Linda (city), CA | 24,791 |
| 11 | East Hemet (CDP), CA | 19,432 |
| 12 | Valle Vista (CDP), CA | 16,194 |
| 13 | Grand Terrace (city), CA | 13,150 |
| 14 | Calimesa (city), CA | 10,026 |
| 15 | Mentone (CDP), CA | 9,557 |
| 16 | Highgrove (CDP), CA | 7,515 |
| 17 | Homeland (CDP), CA | 6,772 |
| 18 | Nuevo (CDP), CA | 6,733 |
| 19 | Cherry Valley (CDP), CA | 6,509 |
| 20 | Winchester (CDP), CA | 3,068 |