Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Stockton (city), CA | 320,804 |
| 2 | Tracy (city), CA | 93,000 |
| 3 | Livermore (city), CA | 87,955 |
| 4 | Manteca (city), CA | 83,498 |
| 5 | Pleasanton (city), CA | 79,871 |
| 6 | Dublin (city), CA | 72,589 |
| 7 | Brentwood (city), CA | 64,292 |
| 8 | Lathrop (city), CA | 28,701 |
| 9 | Mountain House (city), CA | 24,499 |
| 10 | Ripon (city), CA | 16,013 |
| 11 | Discovery Bay (CDP), CA | 15,358 |
| 12 | Salida (CDP), CA | 13,886 |
| 13 | Garden Acres (CDP), CA | 11,398 |
| 14 | Country Club (CDP), CA | 10,777 |
| 15 | August (CDP), CA | 8,628 |
| 16 | Lincoln Village (CDP), CA | 4,401 |
| 17 | French Camp (CDP), CA | 3,770 |
| 18 | Kennedy (CDP), CA | 3,223 |
| 19 | Taft Mosswood (CDP), CA | 1,636 |
| 20 | Knightsen (CDP), CA | 1,596 |