Shift in Votes from President to House Race in CA counties in 2020 (Count) COUNTY BIDEN TRUMP MARGIN1 TOTAL1 Democratic Republican MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH 1 Alameda 617,659 136,309 481,350 770,070 595,439 142,812 452,627 738,251 -22,220 6,503 -28,723 -31,819 2 Alpine 476 244 232 741 473 264 209 737 -3 20 -23 -4 3 Amador 8,153 13,585 -5,432 22,304 8,259 13,833 -5,574 22,092 106 248 -142 -212 4 Butte 50,426 48,730 1,696 102,066 51,719 49,828 1,891 101,547 1,293 1,098 195 -519 5 Calaveras 10,046 16,518 -6,472 27,164 10,333 16,563 -6,230 26,896 287 45 242 -268 6 Colusa 3,239 4,559 -1,320 7,961 3,348 4,328 -980 7,676 109 -231 340 -285 7 Contra Costa 416,386 152,877 263,509 581,316 395,893 165,172 230,721 561,065 -20,493 12,295 -32,788 -20,251 8 Del Norte 4,677 6,461 -1,784 11,453 5,103 6,089 -986 11,192 426 -372 798 -261 9 El Dorado 51,621 61,838 -10,217 116,159 51,597 63,710 -12,113 115,307 -24 1,872 -1,896 -852 10 Fresno 193,025 164,464 28,561 364,917 188,273 172,957 15,316 361,230 -4,752 8,493 -13,245 -3,687 11 Glenn 3,995 7,063 -3,068 11,297 4,004 7,126 -3,122 11,130 9 63 -54 -167 12 Humboldt 44,768 21,770 22,998 68,843 46,089 20,656 25,433 66,745 1,321 -1,114 2,435 -2,098 13 Imperial 34,678 20,847 13,831 56,743 34,868 20,087 14,781 54,955 190 -760 950 -1,788 14 Inyo 4,634 4,620 14 9,484 4,559 4,702 -143 9,261 -75 82 -157 -223 15 Kern 133,366 164,484 -31,118 305,292 123,239 180,279 -57,040 303,518 -10,127 15,795 -25,922 -1,774 16 Kings 18,699 24,072 -5,373 43,861 16,611 26,983 -10,372 43,594 -2,088 2,911 -4,999 -267 17 Lake 14,941 13,123 1,818 28,812 15,919 12,397 3,522 28,316 978 -726 1,704 -496 18 Lassen 2,799 8,970 -6,171 11,987 3,000 8,892 -5,892 11,892 201 -78 279 -95 19 Los Angeles 3,028,885 1,145,530 1,883,355 4,264,365 2,955,618 919,791 2,035,827 3,875,409 -73,267 -225,739 152,472 -388,956 20 Madera 23,168 29,378 -6,210 53,732 21,855 30,965 -9,110 52,820 -1,313 1,587 -2,900 -912 21 Marin 128,288 24,612 103,676 155,830 124,729 25,363 99,366 150,092 -3,559 751 -4,310 -5,738 22 Mariposa 4,088 5,950 -1,862 10,280 4,195 5,906 -1,711 10,101 107 -44 151 -179 23 Mendocino 28,782 13,267 15,515 43,340 29,925 12,806 17,119 42,731 1,143 -461 1,604 -609 24 Merced 48,991 39,397 9,594 90,554 49,613 39,777 9,836 89,390 622 380 242 -1,164 25 Modoc 1,150 3,109 -1,959 4,343 1,290 3,025 -1,735 4,315 140 -84 224 -28 26 Mono 4,013 2,513 1,500 6,738 3,969 2,633 1,336 6,602 -44 120 -164 -136 27 Monterey 113,953 46,299 67,654 163,923 122,057 41,291 80,766 163,348 8,104 -5,008 13,112 -575 28 Napa 49,817 20,676 29,141 72,150 52,204 18,472 33,732 70,676 2,387 -2,204 4,591 -1,474 29 Nevada 36,359 26,779 9,580 64,750 37,166 27,409 9,757 64,575 807 630 177 -175 30 Orange 814,009 676,498 137,511 1,522,113 796,652 701,227 95,425 1,497,879 -17,357 24,729 -42,086 -24,234 31 Placer 106,869 122,488 -15,619 235,084 103,770 126,209 -22,439 229,979 -3,099 3,721 -6,820 -5,105 32 Plumas 4,561 6,445 -1,884 11,260 4,737 6,541 -1,804 11,278 176 96 80 18 33 Riverside 528,340 449,144 79,196 997,156 529,953 450,304 79,649 980,257 1,613 1,160 453 -16,899 34 Sacramento 440,808 259,405 181,403 718,440 444,156 258,306 185,850 702,462 3,348 -1,099 4,447 -15,978 35 San Benito 17,628 10,590 7,038 28,830 18,735 9,412 9,323 28,147 1,107 -1,178 2,285 -683 36 San Bernardino 455,859 366,257 89,602 841,130 454,944 356,787 98,157 811,731 -915 -9,470 8,555 -29,399 37 San Diego 964,650 600,094 364,556 1,602,143 1,018,193 504,474 513,719 1,522,667 53,543 -95,620 149,163 -79,476 38 San Francisco 378,156 56,417 321,739 443,553 402,620 9,179 393,441 411,799 24,464 -47,238 71,702 -31,754 39 San Joaquin 161,137 121,098 40,039 288,492 161,665 121,355 40,310 283,020 528 257 271 -5,472 40 San Luis Obispo 88,310 67,436 20,874 159,714 84,608 73,172 11,436 157,780 -3,702 5,736 -9,438 -1,934 41 San Mateo 291,496 75,584 215,912 374,251 298,597 63,526 235,071 362,123 7,101 -12,058 19,159 -12,128 42 Santa Barbara 129,963 65,736 64,227 200,339 124,584 74,781 49,803 199,365 -5,379 9,045 -14,424 -974 43 Santa Clara 617,967 214,612 403,355 850,741 642,764 153,289 489,475 796,053 24,797 -61,323 86,120 -54,688 44 Santa Cruz 114,246 26,937 87,309 144,837 120,380 19,352 101,028 139,732 6,134 -7,585 13,719 -5,105 45 Shasta 30,000 60,789 -30,789 92,930 31,851 59,983 -28,132 91,834 1,851 -806 2,657 -1,096 46 Sierra 730 1,142 -412 1,931 801 1,129 -328 1,930 71 -13 84 -1 47 Siskiyou 9,593 13,290 -3,697 23,472 10,198 13,155 -2,957 23,353 605 -135 740 -119 48 Solano 131,639 69,306 62,333 205,877 129,959 73,011 56,948 202,970 -1,680 3,705 -5,385 -2,907 49 Sonoma 199,938 61,825 138,113 268,317 202,998 60,335 142,663 263,333 3,060 -1,490 4,550 -4,984 50 Stanislaus 105,841 104,145 1,696 214,954 115,503 95,449 20,054 210,952 9,662 -8,696 18,358 -4,002 51 Sutter 17,367 24,375 -7,008 42,644 18,333 23,551 -5,218 41,884 966 -824 1,790 -760 52 Tehama 8,911 19,141 -10,230 28,731 9,507 19,082 -9,575 28,589 596 -59 655 -142 53 Trinity 2,851 3,188 -337 6,259 3,021 3,110 -89 6,131 170 -78 248 -128 54 Tulare 66,105 77,579 -11,474 146,885 63,747 82,421 -18,674 146,168 -2,358 4,842 -7,200 -717 55 Tuolumne 11,978 17,689 -5,711 30,408 12,212 17,916 -5,704 30,128 234 227 7 -280 56 Ventura 251,388 162,207 89,181 422,825 241,004 172,415 68,589 413,419 -10,384 10,208 -20,592 -9,406 57 Yolo 67,598 27,292 40,306 97,294 65,897 29,320 36,577 95,217 -1,701 2,028 -3,729 -2,077 58 Yuba 11,230 17,676 -6,446 29,796 11,498 17,760 -6,262 29,258 268 84 184 -538 59 TOTAL 11,110,250 6,006,429 5,103,821 17,500,881 11,084,234 5,640,667 5,443,567 16,724,901 -26,016 -365,762 339,746 -775,980
Shift in Vote Share from President to House Race in CA counties in 2020 (Percent) COUNTY BIDEN TRUMP MARGIN1 TOTAL1 Democratic Republican MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH 1 Alameda 80.21 17.70 62.51 97.91 80.66 19.34 61.31 100 0.45 1.64 -1.20 2.09 2 Alpine 64.24 32.93 31.31 97.17 64.18 35.82 28.36 100 -0.06 2.89 -2.95 2.83 3 Amador 36.55 60.91 -24.35 97.46 37.38 62.62 -25.23 100 0.83 1.71 -0.88 2.54 4 Butte 49.41 47.74 1.66 97.15 50.93 49.07 1.86 100 1.53 1.33 0.20 2.85 5 Calaveras 36.98 60.81 -23.83 97.79 38.42 61.58 -23.16 100 1.44 0.77 0.66 2.21 6 Colusa 40.69 57.27 -16.58 97.95 43.62 56.38 -12.77 100 2.93 -0.88 3.81 2.05 7 Contra Costa 71.63 26.30 45.33 97.93 70.56 29.44 41.12 100 -1.07 3.14 -4.21 2.07 8 Del Norte 40.84 56.41 -15.58 97.25 45.60 54.40 -8.81 100 4.76 -2.01 6.77 2.75 9 El Dorado 44.44 53.24 -8.80 97.68 44.75 55.25 -10.50 100 0.31 2.02 -1.71 2.32 10 Fresno 52.90 45.07 7.83 97.96 52.12 47.88 4.24 100 -0.78 2.81 -3.59 2.04 11 Glenn 35.36 62.52 -27.16 97.88 35.97 64.03 -28.05 100 0.61 1.50 -0.89 2.12 12 Humboldt 65.03 31.62 33.41 96.65 69.05 30.95 38.10 100 4.02 -0.68 4.70 3.35 13 Imperial 61.11 36.74 24.37 97.85 63.45 36.55 26.90 100 2.33 -0.19 2.52 2.15 14 Inyo 48.86 48.71 0.15 97.57 49.23 50.77 -1.54 100 0.37 2.06 -1.69 2.43 15 Kern 43.68 53.88 -10.19 97.56 40.60 59.40 -18.79 100 -3.08 5.52 -8.60 2.44 16 Kings 42.63 54.88 -12.25 97.51 38.10 61.90 -23.79 100 -4.53 7.01 -11.54 2.49 17 Lake 51.86 45.55 6.31 97.40 56.22 43.78 12.44 100 4.36 -1.77 6.13 2.60 18 Lassen 23.35 74.83 -51.48 98.18 25.23 74.77 -49.55 100 1.88 -0.06 1.93 1.82 19 Los Angeles 71.03 26.86 44.16 97.89 76.27 23.73 52.53 100 5.24 -3.13 8.37 2.11 20 Madera 43.12 54.68 -11.56 97.79 41.38 58.62 -17.25 100 -1.74 3.95 -5.69 2.21 21 Marin 82.33 15.79 66.53 98.12 83.10 16.90 66.20 100 0.78 1.10 -0.33 1.88 22 Mariposa 39.77 57.88 -18.11 97.65 41.53 58.47 -16.94 100 1.76 0.59 1.17 2.35 23 Mendocino 66.41 30.61 35.80 97.02 70.03 29.97 40.06 100 3.62 -0.64 4.26 2.98 24 Merced 54.10 43.51 10.59 97.61 55.50 44.50 11.00 100 1.40 0.99 0.41 2.39 25 Modoc 26.48 71.59 -45.11 98.07 29.90 70.10 -40.21 100 3.42 -1.48 4.90 1.93 26 Mono 59.56 37.30 22.26 96.85 60.12 39.88 20.24 100 0.56 2.59 -2.03 3.15 27 Monterey 69.52 28.24 41.27 97.76 74.72 25.28 49.44 100 5.21 -2.97 8.17 2.24 28 Napa 69.05 28.66 40.39 97.70 73.86 26.14 47.73 100 4.82 -2.52 7.34 2.30 29 Nevada 56.15 41.36 14.80 97.51 57.55 42.45 15.11 100 1.40 1.09 0.31 2.49 30 Orange 53.48 44.44 9.03 97.92 53.19 46.81 6.37 100 -0.29 2.37 -2.66 2.08 31 Placer 45.46 52.10 -6.64 97.56 45.12 54.88 -9.76 100 -0.34 2.77 -3.11 2.44 32 Plumas 40.51 57.24 -16.73 97.74 42.00 58.00 -16.00 100 1.50 0.76 0.74 2.26 33 Riverside 52.98 45.04 7.94 98.03 54.06 45.94 8.13 100 1.08 0.89 0.18 1.97 34 Sacramento 61.36 36.11 25.25 97.46 63.23 36.77 26.46 100 1.87 0.66 1.21 2.54 35 San Benito 61.14 36.73 24.41 97.88 66.56 33.44 33.12 100 5.42 -3.29 8.71 2.12 36 San Bernardino 54.20 43.54 10.65 97.74 56.05 43.95 12.09 100 1.85 0.41 1.44 2.26 37 San Diego 60.21 37.46 22.75 97.67 66.87 33.13 33.74 100 6.66 -4.32 10.98 2.33 38 San Francisco 85.26 12.72 72.54 97.98 97.77 2.23 95.54 100 12.51 -10.49 23.01 2.02 39 San Joaquin 55.85 41.98 13.88 97.83 57.12 42.88 14.24 100 1.27 0.90 0.36 2.17 40 San Luis Obispo 55.29 42.22 13.07 97.52 53.62 46.38 7.25 100 -1.67 4.15 -5.82 2.48 41 San Mateo 77.89 20.20 57.69 98.08 82.46 17.54 64.91 100 4.57 -2.65 7.22 1.92 42 Santa Barbara 64.87 32.81 32.06 97.68 62.49 37.51 24.98 100 -2.38 4.70 -7.08 2.32 43 Santa Clara 72.64 25.23 47.41 97.87 80.74 19.26 61.49 100 8.11 -5.97 14.08 2.13 44 Santa Cruz 78.88 18.60 60.28 97.48 86.15 13.85 72.30 100 7.27 -4.75 12.02 2.52 45 Shasta 32.28 65.41 -33.13 97.70 34.68 65.32 -30.63 100 2.40 -0.10 2.50 2.30 46 Sierra 37.80 59.14 -21.34 96.94 41.50 58.50 -16.99 100 3.70 -0.64 4.34 3.06 47 Siskiyou 40.87 56.62 -15.75 97.49 43.67 56.33 -12.66 100 2.80 -0.29 3.09 2.51 48 Solano 63.94 33.66 30.28 97.60 64.03 35.97 28.06 100 0.09 2.31 -2.22 2.40 49 Sonoma 74.52 23.04 51.47 97.56 77.09 22.91 54.18 100 2.57 -0.13 2.70 2.44 50 Stanislaus 49.24 48.45 0.79 97.69 54.75 45.25 9.51 100 5.51 -3.20 8.72 2.31 51 Sutter 40.73 57.16 -16.43 97.88 43.77 56.23 -12.46 100 3.05 -0.93 3.98 2.12 52 Tehama 31.02 66.62 -35.61 97.64 33.25 66.75 -33.49 100 2.24 0.12 2.11 2.36 53 Trinity 45.55 50.93 -5.38 96.49 49.27 50.73 -1.45 100 3.72 -0.21 3.93 3.51 54 Tulare 45.00 52.82 -7.81 97.82 43.61 56.39 -12.78 100 -1.39 3.57 -4.96 2.18 55 Tuolumne 39.39 58.17 -18.78 97.56 40.53 59.47 -18.93 100 1.14 1.29 -0.15 2.44 56 Ventura 59.45 38.36 21.09 97.82 58.30 41.70 16.59 100 -1.16 3.34 -4.50 2.18 57 Yolo 69.48 28.05 41.43 97.53 69.21 30.79 38.41 100 -0.27 2.74 -3.01 2.47 58 Yuba 37.69 59.32 -21.63 97.01 39.30 60.70 -21.40 100 1.61 1.38 0.23 2.99 59 TOTAL 63.48 34.32 29.16 97.80 66.27 33.73 32.55 100 2.79 -0.59 3.38 2.20 Source: General Election - Statement of Vote, November 3, 2020, Statement of Vote, CSV Files - Candidates (XLSX)
Shift in Vote Share from House_2018 to House Race in CA counties in 2020 (Percent) COUNTY Democratic.x Republican.x MARGIN1 TOTAL1 Democratic.y Republican.y MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH 1 Alameda 73.65 26.35 47.31 100.00 71.27 28.73 42.54 100 -2.38 2.38 -4.76 0.00 2 Alpine 67.85 32.15 35.70 100.00 64.18 35.82 28.36 100 -3.67 3.67 -7.34 0.00 3 Amador 41.20 58.80 -17.60 100.00 37.38 62.62 -25.23 100 -3.81 3.81 -7.63 0.00 4 Butte 53.96 46.04 7.92 100.00 50.93 49.07 1.86 100 -3.03 3.03 -6.06 0.00 5 Calaveras 41.84 58.16 -16.32 100.00 38.42 61.58 -23.16 100 -3.42 3.42 -6.85 0.00 6 Colusa 42.39 57.61 -15.23 100.00 43.62 56.38 -12.77 100 1.23 -1.23 2.46 0.00 7 Contra Costa 71.38 28.62 42.76 100.00 69.94 30.06 39.88 100 -1.44 1.44 -2.88 0.00 8 Del Norte 47.46 52.54 -5.07 100.00 45.60 54.40 -8.81 100 -1.87 1.87 -3.74 0.00 9 El Dorado 46.14 53.86 -7.71 100.00 44.75 55.25 -10.50 100 -1.40 1.40 -2.79 0.00 10 Fresno 51.89 48.11 3.78 100.00 52.12 47.88 4.24 100 0.23 -0.23 0.46 0.00 11 Glenn 36.71 63.29 -26.59 100.00 35.97 64.03 -28.05 100 -0.73 0.73 -1.46 0.00 12 Humboldt 70.01 29.99 40.02 100.00 69.05 30.95 38.10 100 -0.96 0.96 -1.91 0.00 13 Imperial 66.33 33.67 32.66 100.00 63.45 36.55 26.90 100 -2.88 2.88 -5.76 0.00 14 Kern 39.57 60.43 -20.86 100.00 40.60 59.40 -18.79 100 1.03 -1.03 2.07 0.00 15 Kings 38.18 61.82 -23.63 100.00 38.10 61.90 -23.79 100 -0.08 0.08 -0.16 0.00 16 Lake 56.89 43.11 13.79 100.00 52.61 47.39 5.21 100 -4.29 4.29 -8.57 0.00 17 Lassen 27.25 72.75 -45.49 100.00 25.23 74.77 -49.55 100 -2.03 2.03 -4.05 0.00 18 Los Angeles 72.73 27.27 45.45 100.00 68.88 31.12 37.77 100 -3.84 3.84 -7.68 0.00 19 Madera 40.13 59.87 -19.74 100.00 41.38 58.62 -17.25 100 1.25 -1.25 2.50 0.00 20 Marin 83.79 16.21 67.58 100.00 83.10 16.90 66.20 100 -0.69 0.69 -1.38 0.00 21 Mariposa 42.71 57.29 -14.59 100.00 41.53 58.47 -16.94 100 -1.18 1.18 -2.35 0.00 22 Mendocino 72.07 27.93 44.13 100.00 70.03 29.97 40.06 100 -2.04 2.04 -4.07 0.00 23 Merced 54.56 45.44 9.13 100.00 55.50 44.50 11.00 100 0.94 -0.94 1.88 0.00 24 Modoc 30.07 69.93 -39.86 100.00 29.90 70.10 -40.21 100 -0.17 0.17 -0.35 0.00 25 Nevada 58.39 41.61 16.78 100.00 57.55 42.45 15.11 100 -0.83 0.83 -1.67 0.00 26 Orange 54.17 45.83 8.33 100.00 52.98 47.02 5.96 100 -1.19 1.19 -2.38 0.00 27 Placer 46.52 53.48 -6.96 100.00 45.12 54.88 -9.76 100 -1.40 1.40 -2.80 0.00 28 Plumas 43.40 56.60 -13.20 100.00 42.00 58.00 -16.00 100 -1.40 1.40 -2.79 0.00 29 Riverside 54.29 45.71 8.58 100.00 54.06 45.94 8.13 100 -0.23 0.23 -0.45 0.00 30 Sacramento 54.39 45.61 8.79 100.00 55.67 44.33 11.34 100 1.28 -1.28 2.55 0.00 31 San Bernardino 61.26 38.74 22.52 100.00 62.90 37.10 25.81 100 1.65 -1.65 3.29 0.00 32 San Diego 60.00 40.00 20.00 100.00 57.53 42.47 15.06 100 -2.47 2.47 -4.94 0.00 33 San Francisco 82.98 17.02 65.96 100.00 81.21 18.79 62.42 100 -1.77 1.77 -3.55 0.00 34 San Joaquin 54.57 45.43 9.13 100.00 57.12 42.88 14.24 100 2.56 -2.56 5.11 0.00 35 San Luis Obispo 54.25 45.75 8.49 100.00 53.62 46.38 7.25 100 -0.62 0.62 -1.24 0.00 36 San Mateo 78.60 21.40 57.19 100.00 78.98 21.02 57.95 100 0.38 -0.38 0.76 0.00 37 Santa Barbara 61.88 38.12 23.76 100.00 62.49 37.51 24.98 100 0.61 -0.61 1.22 0.00 38 Santa Clara 74.56 25.44 49.12 100.00 71.62 28.38 43.25 100 -2.93 2.93 -5.87 0.00 39 Shasta 35.33 64.67 -29.34 100.00 34.68 65.32 -30.63 100 -0.65 0.65 -1.30 0.00 40 Sierra 42.51 57.49 -14.97 100.00 41.50 58.50 -16.99 100 -1.01 1.01 -2.02 0.00 41 Siskiyou 46.15 53.85 -7.70 100.00 43.67 56.33 -12.66 100 -2.48 2.48 -4.96 0.00 42 Solano 59.92 40.08 19.85 100.00 56.43 43.57 12.87 100 -3.49 3.49 -6.98 0.00 43 Sonoma 77.57 22.43 55.13 100.00 76.49 23.51 52.99 100 -1.07 1.07 -2.15 0.00 44 Stanislaus 51.93 48.07 3.86 100.00 54.75 45.25 9.51 100 2.82 -2.82 5.65 0.00 45 Sutter 45.73 54.27 -8.54 100.00 43.77 56.23 -12.46 100 -1.96 1.96 -3.91 0.00 46 Tehama 33.58 66.42 -32.83 100.00 33.25 66.75 -33.49 100 -0.33 0.33 -0.66 0.00 47 TOTAL 65.74 32.61 33.13 98.35 66.27 33.73 32.55 100 0.53 1.12 -0.58 1.65 48 Trinity 49.59 50.41 -0.82 100.00 49.27 50.73 -1.45 100 -0.32 0.32 -0.63 0.00 49 Tulare 45.11 54.89 -9.77 100.00 43.61 56.39 -12.78 100 -1.50 1.50 -3.00 0.00 50 Tuolumne 44.49 55.51 -11.02 100.00 40.53 59.47 -18.93 100 -3.96 3.96 -7.91 0.00 51 Ventura 60.03 39.97 20.06 100.00 58.30 41.70 16.59 100 -1.73 1.73 -3.47 0.00 52 Yolo 72.99 27.01 45.99 100.00 70.34 29.66 40.69 100 -2.65 2.65 -5.30 0.00 53 Yuba 42.36 57.64 -15.28 100.00 39.30 60.70 -21.40 100 -3.06 3.06 -6.12 0.00Source: General Election - Statement of Vote, November 3, 2020, 2020 Statement of Vote, CSV Files - Candidates (XLSX) General Election - Statement of Vote, November 6, 2018, 2018 Statement of Vote, CSV Files - Voter Nominated (XLS)
Shift in Vote Share from House_2018 to House Race in CA Los Angeles County in 2020 (Percent) COUNTY DISTRICT Democratic.x Republican.x MARGIN1 TOTAL1 Democratic.y Republican.y MARGIN2 TOT2 DEM_SH REP_SH MAR_SH TOT_SH 30 Los Angeles 23 46.34 53.66 -7.32 100 47.88 52.12 -4.24 100 1.54 -1.54 3.08 0 31 Los Angeles 25 55.59 44.41 11.18 100 50.99 49.01 1.98 100 -4.60 4.60 -9.20 0 32 Los Angeles 26 56.17 43.83 12.34 100 53.68 46.32 7.37 100 -2.48 2.48 -4.97 0 33 Los Angeles 27 100.00 NA NA NA 71.44 28.56 42.89 100 -28.56 NA NA NA 34 Los Angeles 28 78.37 21.63 56.74 100 72.66 27.34 45.31 100 -5.72 5.72 -11.43 0 35 Los Angeles 29 80.61 19.39 61.22 100 100.00 NA NA NA 19.39 NA NA NA 36 Los Angeles 30 73.46 26.54 46.93 100 69.53 30.47 39.06 100 -3.93 3.93 -7.87 0 37 Los Angeles 32 68.78 31.22 37.56 100 66.58 33.42 33.16 100 -2.20 2.20 -4.40 0 38 Los Angeles 33 70.03 29.97 40.06 100 67.58 32.42 35.16 100 -2.45 2.45 -4.90 0 39 Los Angeles 34 72.54 NA NA NA 100.00 NA NA NA 27.46 NA NA NA 40 Los Angeles 35 75.61 24.39 51.21 100 74.32 25.68 48.64 100 -1.29 1.29 -2.57 0 41 Los Angeles 37 89.08 10.92 78.15 100 85.94 14.06 71.88 100 -3.14 3.14 -6.27 0 42 Los Angeles 38 69.28 30.72 38.57 100 100.00 NA NA NA 30.72 NA NA NA 43 Los Angeles 39 58.15 41.85 16.30 100 54.25 45.75 8.50 100 -3.90 3.90 -7.80 0 44 Los Angeles 40 77.35 NA NA NA 72.74 27.26 45.48 100 -4.61 NA NA NA 45 Los Angeles 43 77.67 22.33 55.34 100 71.68 28.32 43.37 100 -5.98 5.98 -11.97 0 46 Los Angeles 44 100.00 NA NA NA 100.00 NA NA NA 0.00 NA NA NA 47 Los Angeles 47 72.09 27.91 44.18 100 71.37 28.63 42.73 100 -0.72 0.72 -1.45 0 Source: General Election - Statement of Vote, November 3, 2020, 2020 Statement of Vote, CSV Files - Candidates (XLSX) General Election - Statement of Vote, November 6, 2018, 2018 Statement of Vote, CSV Files - Voter Nominated (XLS)
Percent ratio of Voters for President to Registered Voters in CA counties in 2020 (Percent) COUNTY BIDEN TRUMP MARGIN1 TOTAL1 Democratic Republican MARGIN2 TOTAL2 DEM_SH REP_SH MAR_SH TOT_SH 1 Alameda 80.21 17.70 62.51 97.91 80.90 15.01 65.89 95.92 78.97 93.90 75.56 79.65 2 Alpine 64.24 32.93 31.31 97.17 58.05 33.90 24.15 91.94 94.37 82.83 110.56 85.27 3 Amador 36.55 60.91 -24.35 97.46 34.88 58.02 -23.14 92.90 91.29 91.44 91.67 87.11 4 Butte 49.41 47.74 1.66 97.15 46.14 46.40 -0.25 92.54 87.57 84.16 -537.01 81.79 5 Calaveras 36.98 60.81 -23.83 97.79 33.99 57.49 -23.50 91.48 94.24 91.61 87.80 86.61 6 Colusa 40.69 57.27 -16.58 97.95 41.23 53.66 -12.43 94.89 80.11 86.63 108.24 81.18 7 Contra Costa 71.63 26.30 45.33 97.93 69.52 25.33 44.19 94.86 85.19 85.84 84.82 82.69 8 Del Norte 40.84 56.41 -15.58 97.25 39.70 52.37 -12.68 92.07 74.08 77.57 88.48 72.01 9 El Dorado 44.44 53.24 -8.80 97.68 39.73 53.06 -13.33 92.79 95.85 85.97 56.54 85.69 10 Fresno 52.90 45.07 7.83 97.96 51.30 42.39 8.91 93.69 75.78 78.15 64.54 73.50 11 Glenn 35.36 62.52 -27.16 97.88 36.45 57.42 -20.97 93.87 76.75 86.14 102.47 79.12 12 Humboldt 65.03 31.62 33.41 96.65 61.07 31.25 29.82 92.32 86.06 81.79 90.53 80.82 13 Imperial 61.11 36.74 24.37 97.85 66.28 27.93 38.35 94.22 61.79 88.14 42.59 67.01 14 Inyo 48.86 48.71 0.15 97.57 42.65 50.42 -7.77 93.07 98.62 83.18 -1.64 86.09 15 Kern 43.68 53.88 -10.19 97.56 44.82 48.41 -3.59 93.23 69.88 79.79 203.41 71.69 16 Kings 42.63 54.88 -12.25 97.51 42.74 51.03 -8.29 93.77 72.80 78.49 107.83 72.98 17 Lake 51.86 45.55 6.31 97.40 51.97 40.35 11.61 92.32 77.16 87.28 42.01 77.32 18 Lassen 23.35 74.83 -51.48 98.18 22.69 69.01 -46.32 91.70 80.87 85.23 87.36 78.59 19 Los Angeles 71.03 26.86 44.16 97.89 71.25 23.30 47.95 94.55 73.13 84.58 67.57 73.36 20 Madera 43.12 54.68 -11.56 97.79 42.39 51.06 -8.68 93.45 80.49 84.72 105.38 79.12 21 Marin 82.33 15.79 66.53 98.12 78.23 17.20 61.02 95.43 93.61 81.65 96.98 88.95 22 Mariposa 39.77 57.88 -18.11 97.65 35.59 56.94 -21.35 92.52 96.38 87.69 73.19 86.26 23 Mendocino 66.41 30.61 35.80 97.02 64.62 27.64 36.98 92.25 82.95 89.40 78.13 80.71 24 Merced 54.10 43.51 10.59 97.61 56.55 37.67 18.88 94.22 73.94 89.26 43.36 77.28 25 Modoc 26.48 71.59 -45.11 98.07 25.99 66.35 -40.36 92.34 82.89 87.78 90.93 81.36 26 Mono 59.56 37.30 22.26 96.85 52.56 40.87 11.69 93.44 97.49 78.51 163.82 86.04 27 Monterey 69.52 28.24 41.27 97.76 68.04 26.57 41.47 94.62 80.94 84.20 78.84 79.22 28 Napa 69.05 28.66 40.39 97.70 65.06 28.73 36.33 93.79 90.25 84.83 94.53 85.04 29 Nevada 56.15 41.36 14.80 97.51 46.74 39.12 7.62 85.85 104.71 92.14 169.25 87.15 30 Orange 53.48 44.44 9.03 97.92 49.16 45.95 3.21 95.12 93.40 83.05 241.55 85.86 31 Placer 45.46 52.10 -6.64 97.56 39.57 53.69 -14.12 93.25 99.81 84.32 40.89 86.88 32 Plumas 40.51 57.24 -16.73 97.74 36.35 56.48 -20.13 92.83 91.89 83.57 68.55 82.46 33 Riverside 52.98 45.04 7.94 98.03 51.51 42.25 9.25 93.76 82.62 85.62 68.93 80.32 34 Sacramento 61.36 36.11 25.25 97.46 59.44 34.05 25.39 93.50 83.86 86.15 80.80 81.25 35 San Benito 61.14 36.73 24.41 97.88 61.03 33.77 27.26 94.80 81.69 88.69 73.02 81.54 36 San Bernardino 54.20 43.54 10.65 97.74 53.84 39.22 14.62 93.06 76.78 84.69 55.57 76.28 37 San Diego 60.21 37.46 22.75 97.67 55.59 38.28 17.30 93.87 88.97 80.36 108.01 82.14 38 San Francisco 85.26 12.72 72.54 97.98 86.74 9.33 77.41 96.07 83.56 115.92 79.66 85.01 39 San Joaquin 55.85 41.98 13.88 97.83 56.21 37.41 18.80 93.63 78.23 88.35 58.11 78.74 40 San Luis Obispo 55.29 42.22 13.07 97.52 48.28 45.02 3.26 93.30 99.54 81.53 348.11 86.92 41 San Mateo 77.89 20.20 57.69 98.08 75.53 19.95 55.58 95.48 87.12 85.52 87.70 84.48 42 Santa Barbara 64.87 32.81 32.06 97.68 60.84 33.21 27.63 94.05 90.82 84.15 98.84 85.18 43 Santa Clara 72.64 25.23 47.41 97.87 71.56 24.44 47.12 96.01 84.72 86.13 83.99 83.46 44 Santa Cruz 78.88 18.60 60.28 97.48 76.63 18.24 58.39 94.87 87.27 86.46 87.53 84.78 45 Shasta 32.28 65.41 -33.13 97.70 29.65 63.65 -34.00 93.30 90.95 85.86 81.41 83.54 46 Sierra 37.80 59.14 -21.34 96.94 36.13 54.19 -18.06 90.31 89.37 93.21 100.88 85.40 47 Siskiyou 40.87 56.62 -15.75 97.49 39.17 52.68 -13.52 91.85 83.77 86.27 93.52 80.27 48 Solano 63.94 33.66 30.28 97.60 63.97 29.99 33.97 93.96 79.41 89.16 70.80 79.44 49 Sonoma 74.52 23.04 51.47 97.56 71.31 22.87 48.44 94.19 93.19 89.84 94.78 89.19 50 Stanislaus 49.24 48.45 0.79 97.69 48.57 44.89 3.68 93.46 77.93 82.97 16.47 76.87 51 Sutter 40.73 57.16 -16.43 97.88 37.12 49.63 -12.50 86.75 89.80 94.28 107.61 81.86 52 Tehama 31.02 66.62 -35.61 97.64 31.49 61.14 -29.66 92.63 76.44 84.56 93.17 77.60 53 Trinity 45.55 50.93 -5.38 96.49 42.84 46.74 -3.89 89.58 81.12 83.15 105.47 76.29 54 Tulare 45.00 52.82 -7.81 97.82 43.20 50.07 -6.88 93.27 76.62 77.57 83.52 73.54 55 Tuolumne 39.39 58.17 -18.78 97.56 37.07 56.11 -19.04 93.18 92.22 89.97 85.59 86.78 56 Ventura 59.45 38.36 21.09 97.82 55.56 38.02 17.54 93.58 90.42 85.25 101.61 84.49 57 Yolo 69.48 28.05 41.43 97.53 67.95 27.09 40.87 95.04 83.44 84.51 82.73 81.61 58 Yuba 37.69 59.32 -21.63 97.01 37.83 53.61 -15.78 91.43 74.92 83.21 103.09 75.19 59 TOTAL 63.48 34.32 29.16 97.80 62.03 32.26 29.78 94.29 81.23 84.46 77.74 79.38 Source: General Election - Statement of Vote, November 3, 2020, Statement of Vote: CSV Files - Candidates (XLSX); Registration and Participation: Voter Registration Statistics by County (PDF)