California 2016 vs 2020: county swing
12 of 58 counties moved toward the Republican ticket; 2 changed hands.
| County | 2016 | 2020 | Swing | Votes 2016 | Votes 2020 |
|---|---|---|---|---|---|
| Imperial County | D+41.5 | D+24.4 | R+17.1 | 48,091 | 56,743 |
| Los Angeles County | D+49.4 | D+44.1 | R+5.3 | 3,434,308 | 4,264,365 |
| Santa Clara County | D+52.1 | D+47.4 | R+4.7 | 703,709 | 850,741 |
| Colusa County | R+13.4 | R+16.6 | R+3.2 | 6,632 | 7,961 |
| San Francisco County | D+75.7 | D+72.6 | R+3.1 | 405,792 | 443,553 |
| Alameda County | D+64.0 | D+62.5 | R+1.5 | 654,266 | 770,070 |
| Merced County | D+12.1 | D+10.6 | R+1.5 | 70,789 | 90,554 |
| Sutter County | R+15.2 | R+16.5 | R+1.3 | 33,523 | 42,644 |
| Stanislaus County | D+1.8 | D+0.8 | R+1.0 | 172,146 | 214,954 |
| Lassen County | R+50.9 | R+51.4 | R+0.5 | 10,524 | 11,987 |
| San Joaquin County | D+14.3 | D+13.9 | R+0.4 | 224,166 | 288,492 |
| Solano County | D+30.3 | D+30.2 | R+0.1 | 166,113 | 205,877 |
| Yolo County | D+41.4 | D+41.4 | Even | 82,090 | 97,294 |
| San Bernardino County | D+10.6 | D+10.7 | D+0.1 | 653,983 | 841,130 |
| Calaveras County | R+24.1 | R+23.8 | D+0.3 | 23,136 | 27,164 |
| San Mateo County | D+57.3 | D+57.7 | D+0.4 | 314,384 | 374,251 |
| Orange County | D+8.6 | D+9.1 | D+0.5 | 1,197,521 | 1,522,113 |
| Monterey County | D+40.6 | D+41.3 | D+0.7 | 133,408 | 163,923 |
| Tehama County | R+36.3 | R+35.6 | D+0.7 | 23,908 | 28,731 |
| Kings County | R+13.1 | R+12.3 | D+0.8 | 33,915 | 43,861 |
| Amador County | R+25.2 | R+24.3 | D+0.9 | 17,734 | 22,304 |
| Sacramento County | D+24.4 | D+25.3 | D+0.9 | 559,330 | 718,440 |
| Yuba County | R+22.9 | R+21.6 | D+1.3 | 22,998 | 29,796 |
| Del Norte County | R+17.2 | R+15.6 | D+1.6 | 9,558 | 11,453 |
| Fresno County | D+6.2 | D+7.8 | D+1.6 | 282,319 | 364,917 |
| Glenn County | R+28.7 | R+27.1 | D+1.6 | 9,470 | 11,297 |
| Contra Costa County | D+43.6 | D+45.3 | D+1.7 | 466,175 | 581,316 |
| Tulare County | R+9.5 | R+7.8 | D+1.7 | 112,334 | 146,885 |
| Kern County | R+12.7 | R+10.2 | D+2.5 | 244,163 | 305,292 |
| Tuolumne County | R+21.3 | R+18.8 | D+2.5 | 25,529 | 30,408 |
| Riverside County | D+5.3 | D+8.0 | D+2.7 | 751,391 | 997,156 |
| Lake County | D+3.6 | D+6.4 | D+2.8 | 24,496 | 28,812 |
| Modoc County | R+48.0 | R+45.1 | D+2.9 | 3,788 | 4,343 |
| San Diego County | D+19.7 | D+22.7 | D+3.0 | 1,306,400 | 1,602,143 |
| Madera County | R+14.7 | R+11.6 | D+3.1 | 43,112 | 53,732 |
| San Benito County | D+21.3 | D+24.4 | D+3.1 | 21,924 | 28,830 |
| Sierra County | R+24.5 | R+21.3 | D+3.2 | 1,830 | 1,931 |
| Santa Barbara County | D+28.7 | D+32.1 | D+3.4 | 176,786 | 200,339 |
| Ventura County | D+17.7 | D+21.1 | D+3.4 | 351,726 | 422,825 |
| Plumas County | R+20.3 | R+16.7 | D+3.6 | 9,676 | 11,260 |
| Shasta County | R+36.8 | R+33.1 | D+3.7 | 80,053 | 92,930 |
| Santa Cruz County | D+56.5 | D+60.3 | D+3.8 | 128,821 | 144,837 |
| Marin County | D+62.5 | D+66.5 | D+4.0 | 139,273 | 155,830 |
| Siskiyou County | R+20.0 | R+15.7 | D+4.3 | 20,492 | 23,472 |
| Sonoma County | D+47.2 | D+51.5 | D+4.3 | 231,253 | 268,317 |
| Napa County | D+35.5 | D+40.3 | D+4.8 | 61,372 | 72,150 |
| El Dorado County | R+13.7 | R+8.8 | D+4.9 | 93,591 | 116,159 |
| San Luis Obispo County | D+8.1 | D+13.1 | D+5.0 | 135,009 | 159,714 |
| Mariposa County | R+23.2 | R+18.1 | D+5.1 | 8,877 | 10,280 |
| Placer County | R+11.8 | R+6.6 | D+5.2 | 182,839 | 235,084 |
| Trinity County | R+10.6 | R+5.3 | D+5.3 | 5,686 | 6,259 |
| Butte County flipped | R+3.7 | D+1.7 | D+5.4 | 95,564 | 102,066 |
| Mendocino County | D+29.8 | D+35.8 | D+6.0 | 37,477 | 43,340 |
| Humboldt County | D+25.0 | D+33.4 | D+8.4 | 59,246 | 68,843 |
| Mono County | D+12.6 | D+22.3 | D+9.7 | 5,276 | 6,738 |
| Nevada County | D+4.9 | D+14.8 | D+9.9 | 54,935 | 64,750 |
| Alpine County | D+19.5 | D+31.3 | D+11.8 | 602 | 741 |
| Inyo County flipped | R+13.5 | D+0.2 | D+13.7 | 8,086 | 9,484 |
Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data