Del Norte County was added from Klamath County.
| 1 | Alameda | 3 | Amador | 4 | Butte | 5 | Calaveras |
| 6 | Colusa | 7 | Contra Costa | 8 | Del Norte | 9 | El Dorado |
| 10 | Fresno | 12 | Humboldt | 17 | Klamath | 20 | Los Angeles |
| 22 | Marin | 23 | Mariposa | 24 | Mendocino | 25 | Merced |
| 28 | Monterey | 29 | Napa | 30 | Nevada | 32 | Placer |
| 33 | Plumas | 35 | Sacramento | 37 | San Bernardino | 38 | San Diego |
| 39 | San Francisco | 40 | San Joaquin | 41 | San Luis Obispo | 42 | San Mateo |
| 43 | Santa Barbara | 44 | Santa Clara | 45 | Santa Cruz | 46 | Shasta |
| 47 | Sierra | 48 | Siskiyou | 49 | Solano | 50 | Sonoma |
| 51 | Stanislaus | 52 | Sutter | 53 | Tehama | 54 | Trinity |
| 55 | Tulare | 56 | Tuolumne | 58 | Yolo | 59 | Yuba |