Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | San Diego (city), CA | 1,386,932 |
| 2 | Oceanside (city), CA | 174,068 |
| 3 | Escondido (city), CA | 151,038 |
| 4 | Carlsbad (city), CA | 114,746 |
| 5 | El Cajon (city), CA | 106,215 |
| 6 | Vista (city), CA | 98,381 |
| 7 | San Marcos (city), CA | 94,833 |
| 8 | Encinitas (city), CA | 62,007 |
| 9 | La Mesa (city), CA | 61,121 |
| 10 | Santee (city), CA | 60,037 |
| 11 | Poway (city), CA | 48,841 |
| 12 | Fallbrook (CDP), CA | 32,267 |
| 13 | Ramona (CDP), CA | 21,468 |
| 14 | Lakeside (CDP), CA | 21,152 |
| 15 | Solana Beach (city), CA | 12,941 |
| 16 | Camp Pendleton South (CDP), CA | 12,468 |
| 17 | Valley Center (CDP), CA | 10,087 |
| 18 | Eucalyptus Hills (CDP), CA | 5,517 |
| 19 | Lake San Marcos (CDP), CA | 5,328 |
| 20 | Bonsall (CDP), CA | 4,546 |
Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | San Diego (city), CA | 1,386,932 |
| 2 | Oceanside (city), CA | 174,068 |
| 3 | Escondido (city), CA | 151,038 |
| 4 | Carlsbad (city), CA | 114,746 |
| 5 | Vista (city), CA | 98,381 |
| 6 | San Marcos (city), CA | 94,833 |
| 7 | Encinitas (city), CA | 62,007 |
| 8 | Poway (city), CA | 48,841 |
| 9 | Fallbrook (CDP), CA | 32,267 |
| 10 | Ramona (CDP), CA | 21,468 |
| 11 | Solana Beach (city), CA | 12,941 |
| 12 | Camp Pendleton South (CDP), CA | 12,468 |
| 13 | Valley Center (CDP), CA | 10,087 |
| 14 | Lake San Marcos (CDP), CA | 5,328 |
| 15 | Bonsall (CDP), CA | 4,546 |
| 16 | Hidden Meadows (CDP), CA | 4,484 |
| 17 | Rancho Santa Fe (CDP), CA | 3,156 |
| 18 | Fairbanks Ranch (CDP), CA | 3,002 |
| 19 | Harmony Grove (CDP), CA | 2,079 |
| 20 | Rainbow (CDP), CA | 1,884 |
Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | San Diego (city), CA | 1,386,932 |
| 2 | Oceanside (city), CA | 174,068 |
| 3 | Escondido (city), CA | 151,038 |
| 4 | Carlsbad (city), CA | 114,746 |
| 5 | Vista (city), CA | 98,381 |
| 6 | San Marcos (city), CA | 94,833 |
| 7 | Encinitas (city), CA | 62,007 |
| 8 | Poway (city), CA | 48,841 |
| 9 | Fallbrook (CDP), CA | 32,267 |
| 10 | Ramona (CDP), CA | 21,468 |
| 11 | Solana Beach (city), CA | 12,941 |
| 12 | Camp Pendleton South (CDP), CA | 12,468 |
| 13 | Valley Center (CDP), CA | 10,087 |
| 14 | Lake San Marcos (CDP), CA | 5,328 |
| 15 | Bonsall (CDP), CA | 4,546 |
| 16 | Hidden Meadows (CDP), CA | 4,484 |
| 17 | Rancho Santa Fe (CDP), CA | 3,156 |
| 18 | Fairbanks Ranch (CDP), CA | 3,002 |
| 19 | Harmony Grove (CDP), CA | 2,079 |
| 20 | Rainbow (CDP), CA | 1,884 |