Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Sacramento (city), CA | 524,943 |
| 2 | Fairfield (city), CA | 119,881 |
| 3 | Vacaville (city), CA | 102,386 |
| 4 | Davis (city), CA | 66,850 |
| 5 | Woodland (city), CA | 61,032 |
| 6 | West Sacramento (city), CA | 53,915 |
| 7 | Suisun City (city), CA | 29,518 |
| 8 | Dixon (city), CA | 18,988 |
| 9 | Parkway (CDP), CA | 15,962 |
| 10 | Lemon Hill (CDP), CA | 14,496 |
| 11 | University of California-Davis (CDP), CA | 8,525 |
| 12 | Fruitridge Pocket (CDP), CA | 6,102 |
| 13 | Hartley (CDP), CA | 2,430 |
| 14 | Monument Hills (CDP), CA | 1,702 |
| 15 | Allendale (CDP), CA | 1,651 |
| 16 | El Macero (CDP), CA | 1,074 |
| 17 | Yolo (CDP), CA | 425 |
| 18 | Elmira (CDP), CA | 193 |
| 19 | Freeport (CDP), CA | 58 |