| County | Rate of Growth |
| Butte County | 26% |
| San Joaquin County | 25% |
| Placer County | 25% |
| Contra Costa County | 24% |
| San Benito County | 21% |
| Merced County | 20% |
| Alameda County | 18% |
| Yuba County | 18% |
| Sacramento County | 16% |
| Solano County | 13% |
The 10 California counties projected to grow fastest between 2020 & 2060
