1986 California gubernatorial election
The 1986 California gubernatorial election took place on November 4, 1986. Incumbent Republican George Deukmejian won easily in this rematch over the Democratic challenger, Los Angeles Mayor Tom Bradley. This was the largest gubernatorial victory since Earl Warren in 1950.Deukmejian is the last Republican gubernatorial nominee to win Marin, San Mateo, and Santa Cruz Counties.
| County | Deukmejian | Votes | Bradley | Votes | Others | Votes |
| Glenn | 80.45% | 5,728 | 17.50% | 1,246 | 2.05% | 146 |
| Colusa | 79.49% | 3,729 | 18.80% | 882 | 1.71% | 80 |
| Sutter | 78.67% | 12,616 | 18.37% | 2,946 | 2.96% | 474 |
| Calaveras | 74.77% | 8,221 | 23.02% | 2,531 | 2.21% | 243 |
| Modoc | 74.69% | 2,641 | 22.91% | 810 | 2.40% | 85 |
| Amador | 74.43% | 7,357 | 23.46% | 2,319 | 2.11% | 209 |
| El Dorado | 73.57% | 26,068 | 24.29% | 8,605 | 2.14% | 760 |
| Placer | 73.31% | 37,288 | 24.66% | 12,542 | 2.03% | 1,034 |
| Nevada | 73.12% | 20,599 | 24.59% | 6,928 | 2.29% | 644 |
| Yuba | 72.37% | 8,594 | 25.11% | 2,982 | 2.52% | 299 |
| Orange | 71.89% | 468,092 | 26.54% | 172,782 | 1.57% | 10,222 |
| Inyo | 71.79% | 4,862 | 25.88% | 1,753 | 2.33% | 158 |
| Tulare | 71.72% | 44,335 | 26.35% | 16,287 | 1.94% | 1,197 |
| San Joaquin | 71.32% | 76,297 | 26.94% | 28,817 | 1.75% | 1,868 |
| Tuolumne | 71.29% | 11,121 | 27.16% | 4,237 | 1.54% | 241 |
| Tehama | 71.10% | 10,463 | 26.72% | 3,932 | 2.18% | 321 |
| Stanislaus | 71.05% | 53,505 | 27.20% | 20,481 | 1.75% | 1,315 |
| Shasta | 71.01% | 29,447 | 26.89% | 11,149 | 2.11% | 873 |
| Butte | 70.81% | 40,546 | 27.10% | 15,518 | 2.09% | 1,194 |
| Mono | 70.66% | 1,847 | 27.62% | 722 | 1.72% | 45 |
| Madera | 70.55% | 12,939 | 27.00% | 4,951 | 2.45% | 449 |
| Mariposa | 70.06% | 3,844 | 27.57% | 1,513 | 2.37% | 130 |
| Kings | 69.07% | 12,256 | 29.33% | 5,205 | 1.59% | 283 |
| Lassen | 68.96% | 5,154 | 27.66% | 2,067 | 3.39% | 253 |
| Merced | 68.86% | 21,426 | 29.26% | 9,105 | 1.88% | 584 |
| Kern | 68.23% | 86,547 | 29.93% | 37,973 | 1.84% | 2,333 |
| Plumas | 68.19% | 4,827 | 29.61% | 2,096 | 2.20% | 156 |
| Napa | 68.14% | 26,445 | 29.52% | 11,456 | 2.34% | 908 |
| Sacramento | 68.05% | 207,086 | 30.12% | 91,660 | 1.83% | 5,580 |
| Siskiyou | 67.95% | 10,515 | 29.62% | 4,584 | 2.42% | 375 |
| Lake | 67.42% | 10,994 | 30.07% | 4,904 | 2.50% | 408 |
| Ventura | 67.20% | 118,640 | 31.09% | 54,893 | 1.71% | 3,024 |
| San Luis Obispo | 67.12% | 41,893 | 30.89% | 19,281 | 1.99% | 1,245 |
| Sierra | 66.98% | 1,053 | 30.15% | 474 | 2.86% | 45 |
| Trinity | 66.48% | 3,720 | 29.68% | 1,661 | 3.84% | 215 |
| San Benito | 66.42% | 5,284 | 31.68% | 2,520 | 1.90% | 151 |
| Fresno | 66.28% | 96,959 | 32.17% | 47,071 | 1.55% | 2,268 |
| Del Norte | 65.80% | 4,213 | 31.64% | 2,026 | 2.56% | 164 |
| San Diego | 65.17% | 381,094 | 31.53% | 184,395 | 3.30% | 19,285 |
| Riverside | 65.10% | 155,318 | 33.06% | 78,891 | 1.84% | 4,389 |
| Alpine | 64.22% | 280 | 29.36% | 128 | 6.42% | 28 |
| San Bernardino | 63.76% | 166,483 | 34.31% | 89,584 | 1.93% | 5,032 |
| Solano | 63.51% | 47,396 | 34.01% | 25,382 | 2.47% | 1,846 |
| Contra Costa | 63.31% | 159,105 | 34.67% | 87,117 | 2.02% | 5,086 |
| Monterey | 63.30% | 46,195 | 34.81% | 25,408 | 1.89% | 1,379 |
| Santa Barbara | 62.84% | 67,852 | 35.23% | 38,046 | 1.93% | 2,083 |
| San Mateo | 61.84% | 121,910 | 36.18% | 71,329 | 1.98% | 3,906 |
| Imperial | 61.19% | 11,479 | 36.86% | 6,915 | 1.95% | 365 |
| Yolo | 60.79% | 26,154 | 36.97% | 15,906 | 2.24% | 963 |
| Santa Clara | 59.87% | 227,285 | 37.64% | 142,907 | 2.49% | 9,464 |
| Sonoma | 59.43% | 75,003 | 37.92% | 47,859 | 2.65% | 3,348 |
| Marin | 56.47% | 51,693 | 41.17% | 37,686 | 2.36% | 2,161 |
| Mendocino | 55.96% | 13,710 | 41.04% | 10,054 | 3.00% | 735 |
| Humboldt | 54.58% | 22,534 | 42.65% | 17,608 | 2.78% | 1,147 |
| Los Angeles | 52.96% | 1,090,138 | 45.21% | 930,576 | 1.82% | 37,534 |
| Santa Cruz | 50.54% | 37,525 | 46.91% | 34,831 | 2.54% | 1,888 |
| Alameda | 47.79% | 174,555 | 49.68% | 181,445 | 2.53% | 9,227 |
| San Francisco | 37.42% | 83,741 | 60.20% | 134,738 | 2.38% | 5,325 |
