Skip to content

California 2012 vs 2020: county swing

16 of 58 counties moved toward the Republican ticket; 4 changed hands.

Amador County: swing R+4.7Glenn County: swing R+1.8Lake County: swing R+10.6Mariposa County: swing D+0.1Napa County: swing D+11.6Shasta County: swing R+3.9Stanislaus County: swing R+1.9Yuba County: swing R+3.5Alpine County: swing D+7.8Butte County: swing D+3.7Mendocino County: swing R+2.8Modoc County: swing R+3.3Mono County: swing D+13.6Nevada County: swing D+15.5Orange County: swing D+15.4Riverside County: swing D+6.4San Benito County: swing D+3.8San Diego County: swing D+15.1San Francisco County: swing D+2.1Yolo County: swing D+7.4San Mateo County: swing D+11.1Santa Barbara County: swing D+14.1Santa Cruz County: swing D+4.7Solano County: swing D+0.9Sutter County: swing D+2.6Tehama County: swing R+8.1Tuolumne County: swing R+3.1Calaveras County: swing R+6.8Contra Costa County: swing D+10.1Del Norte County: swing R+6.2Imperial County: swing R+7.7Kern County: swing D+6.6Kings County: swing D+2.6Madera County: swing D+5.5Colusa County: swing D+4.8Inyo County: swing D+11.6Merced County: swing D+1.8Plumas County: swing D+0.1San Joaquin County: swing D+0.1Sierra County: swing D+1.1Tulare County: swing D+7.2Marin County: swing D+15.2Monterey County: swing D+4.5Placer County: swing D+12.7Fresno County: swing D+6.0Humboldt County: swing D+6.2Lassen County: swing R+11.7Los Angeles County: swing D+2.2Sacramento County: swing D+6.4San Bernardino County: swing D+3.3Ventura County: swing D+14.1Alameda County: swing D+1.8San Luis Obispo County: swing D+12.0Siskiyou County: swing R+0.5Sonoma County: swing D+5.7Trinity County: swing R+4.5El Dorado County: swing D+9.0Santa Clara County: swing D+4.5
Red: toward the Republican ticket. Blue: toward the Democratic ticket.
County20122020SwingVotes 2012Votes 2020
Lassen County R+39.7 R+51.4 R+11.7 10,683 11,987
Lake County D+17.0 D+6.4 R+10.6 23,391 28,812
Tehama County R+27.5 R+35.6 R+8.1 22,977 28,731
Imperial County D+32.1 D+24.4 R+7.7 38,565 56,743
Calaveras County R+17.0 R+23.8 R+6.8 21,786 27,164
Del Norte County R+9.4 R+15.6 R+6.2 8,770 11,453
Amador County R+19.6 R+24.3 R+4.7 17,649 22,304
Trinity County R+0.8 R+5.3 R+4.5 5,674 6,259
Shasta County R+29.2 R+33.1 R+3.9 76,335 92,930
Yuba County R+18.1 R+21.6 R+3.5 19,700 29,796
Modoc County R+41.8 R+45.1 R+3.3 3,986 4,343
Tuolumne County R+15.7 R+18.8 R+3.1 24,687 30,408
Mendocino County D+38.6 D+35.8 R+2.8 35,017 43,340
Stanislaus County D+2.7 D+0.8 R+1.9 155,369 214,954
Glenn County R+25.3 R+27.1 R+1.8 9,211 11,297
Siskiyou County R+15.2 R+15.7 R+0.5 19,910 23,472
Mariposa County R+18.2 R+18.1 D+0.1 9,000 10,280
Plumas County R+16.8 R+16.7 D+0.1 10,047 11,260
San Joaquin County D+13.8 D+13.9 D+0.1 204,697 288,492
Solano County D+29.3 D+30.2 D+0.9 152,444 205,877
Sierra County R+22.4 R+21.3 D+1.1 1,795 1,931
Alameda County D+60.7 D+62.5 D+1.8 595,642 770,070
Merced County D+8.8 D+10.6 D+1.8 62,057 90,554
San Francisco County D+70.5 D+72.6 D+2.1 361,209 443,553
Los Angeles County D+41.9 D+44.1 D+2.2 3,181,067 4,264,365
Kings County R+14.9 R+12.3 D+2.6 31,418 43,861
Sutter County R+19.1 R+16.5 D+2.6 31,026 42,644
San Bernardino County D+7.4 D+10.7 D+3.3 581,517 841,130
Butte County flipped R+2.0 D+1.7 D+3.7 90,752 102,066
San Benito County D+20.6 D+24.4 D+3.8 19,044 28,830
Monterey County D+36.8 D+41.3 D+4.5 123,518 163,923
Santa Clara County D+42.9 D+47.4 D+4.5 643,091 850,741
Santa Cruz County D+55.6 D+60.3 D+4.7 120,095 144,837
Colusa County R+21.4 R+16.6 D+4.8 6,034 7,961
Madera County R+17.1 R+11.6 D+5.5 39,866 53,732
Sonoma County D+45.8 D+51.5 D+5.7 216,508 268,317
Fresno County D+1.8 D+7.8 D+6.0 258,827 364,917
Humboldt County D+27.2 D+33.4 D+6.2 57,470 68,843
Riverside County D+1.6 D+8.0 D+6.4 661,907 997,156
Sacramento County D+18.9 D+25.3 D+6.4 516,809 718,440
Kern County R+16.8 R+10.2 D+6.6 221,472 305,292
Tulare County R+15.0 R+7.8 D+7.2 101,100 146,885
Yolo County D+34.0 D+41.4 D+7.4 74,475 97,294
Alpine County D+23.5 D+31.3 D+7.8 653 741
El Dorado County R+17.8 R+8.8 D+9.0 88,774 116,159
Contra Costa County D+35.2 D+45.3 D+10.1 438,226 581,316
San Mateo County D+46.6 D+57.7 D+11.1 285,720 374,251
Inyo County flipped R+11.4 D+0.2 D+11.6 8,036 9,484
Napa County D+28.7 D+40.3 D+11.6 56,968 72,150
San Luis Obispo County D+1.1 D+13.1 D+12.0 125,638 159,714
Placer County R+19.3 R+6.6 D+12.7 171,322 235,084
Mono County D+8.7 D+22.3 D+13.6 5,181 6,738
Santa Barbara County D+18.0 D+32.1 D+14.1 163,320 200,339
Ventura County D+7.0 D+21.1 D+14.1 326,974 422,825
San Diego County D+7.6 D+22.7 D+15.1 1,192,282 1,602,143
Marin County D+51.3 D+66.5 D+15.2 134,516 155,830
Orange County flipped R+6.3 D+9.1 D+15.4 1,122,664 1,522,113
Nevada County flipped R+0.7 D+14.8 D+15.5 51,676 64,750

Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data