Alameda County was added from Contra Costa County and Santa Clara County.
Humboldt County was added from Trinity County.
San Bernardino County was added from Los Angeles County.
| 1 | Alameda | 4 | Butte | 5 | Calaveras | 6 | Colusa |
| 7 | Contra Costa | 9 | El Dorado | 12 | Humboldt | 17 | Klamath |
| 20 | Los Angeles | 22 | Marin | 23 | Mariposa | 24 | Mendocino |
| 28 | Monterey | 29 | Napa | 30 | Nevada | 32 | Placer |
| 35 | Sacramento | 37 | San Bernardino | 38 | San Diego | 39 | San Francisco |
| 40 | San Joaquin | 41 | San Luis Obispo | 43 | Santa Barbara | 44 | Santa Clara |
| 45 | Santa Cruz | 46 | Shasta | 47 | Sierra | 48 | Siskiyou |
| 49 | Solano | 50 | Sonoma | 52 | Sutter | 54 | Trinity |
| 55 | Tulare | 56 | Tuolumne | 58 | Yolo | 59 | Yuba |