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Voter registration as of October 22, 2018

Voter registration trends by district

District Registered
Voters
Democratic % Republican % No Party
Preference %*
Other %** Partisan Split***
BOE2 (Northwest)5,150,55949.43%17.13%29.15%4.29%D + 32.30
BOE3 (LA/Ventura)5,043,28049.89%17.41%28.29%4.41%D + 32.48
BOE4 (SoCal)4,816,45036.22%30.77%28.26%4.75%D + 5.45
BOE1 (Inland)4,686,08237.36%31.85%25.26%5.52%D + 5.51
SD26 (Coast LA)639,32547.03%19.75%28.60%4.62%D + 27.28
SD01 (Northeast Cal)592,45028.43%40.95%22.64%7.97%R + 12.52
SD39 (San Diego)576,64039.00%23.73%32.15%5.11%D + 15.27
SD09 (Oakland)573,30163.41%6.02%26.55%4.02%D + 57.39
SD27 (Ventura Co)569,69940.94%27.81%26.44%4.81%D + 13.13
SD25 (Pasadena)567,74342.48%25.26%27.69%4.57%D + 17.22
SD07 (Concord)565,95943.70%23.98%28.00%4.33%D + 19.72
SD11 (San Francisco)558,94456.38%6.99%33.20%3.44%D + 49.39
SD17 (Santa Cruz-SLO)546,12244.29%24.11%26.48%5.11%D + 20.18
SD37 (Anaheim Hills-Irvine-Coastal OC)545,80830.89%36.09%28.64%4.38%R + 5.20
SD36 (Carlsbad)542,95329.92%37.13%27.89%5.06%R + 7.21
SD02 (North Coast)536,03849.82%19.12%25.45%5.61%D + 30.70
SD08 (Foothills)535,23832.16%39.00%23.15%5.69%R + 6.84
SD03 (Napa/Yolano)533,39447.15%20.75%27.11%5.00%D + 26.40
SD38 (East San Diego Co.)523,16329.08%37.02%28.39%5.51%R + 7.94
SD30 (Culver City)521,53962.80%6.53%26.68%4.00%D + 56.27
SD13 (San Mateo)512,13749.28%15.70%31.61%3.41%D + 33.58
SD04 (Roseville-Yuba-Tehama)504,79432.34%36.02%25.46%6.18%R + 3.68
SD06 (Sacramento)497,33647.66%20.06%27.37%4.91%D + 27.60
SD32 (Whittier)488,72347.55%20.93%27.24%4.28%D + 26.62
SD35 (South Bay)487,54256.75%12.17%27.07%4.01%D + 44.58
SD23 (Redlands)483,96235.15%35.29%24.11%5.45%D + 0.14
CD33 (LA Coast)481,24044.21%22.96%28.20%4.63%D + 21.25
SD16 (Kern)480,22951.71%13.80%29.89%4.60%D + 37.91
SD18 (San Fernando Valley)480,22951.71%13.80%29.89%4.60%D + 37.91
SD05 (San Joaquin)476,69040.43%30.62%24.30%4.64%D + 9.81
SD21 (Santa Clarita-Palmdale)475,92237.14%31.40%25.72%5.74%D + 5.74
SD19 (Santa Barbara/Ventura)473,01943.95%24.94%26.31%4.80%D + 19.01
SD15 (San José)464,53045.27%17.70%33.47%3.56%D + 27.57
CD04 (Roseville-Foothills)458,25028.53%41.27%23.55%6.66%R + 12.74
SD29 (Fullerton/Diamond Bar)454,88336.01%31.73%28.47%3.79%D + 4.28
SD40 (S. San Diego)453,18443.71%18.20%33.78%4.31%D + 25.51
SD10 (Hayward-Fremont-Santa Clara)452,48748.86%13.59%33.86%3.69%D + 35.27
SD16 (Kern)452,10227.98%40.95%25.47%5.61%R + 12.97
SD28 (Coachella Valley)451,97833.94%36.05%24.81%5.20%R + 2.11
CD13 (Oakland)445,99163.83%5.49%26.50%4.17%D + 58.34
CD12 (San Francisco)442,99957.28%6.42%32.77%3.54%D + 50.86
CD30 (W. San Fernando Valley)441,03348.36%19.75%27.28%4.61%D + 28.61
CD28 (Hollywood)437,22448.81%16.79%29.87%4.53%D + 32.02
CD37 (Culver City)430,90761.45%7.91%26.62%4.02%D + 53.54
SD24 (East LA)427,19157.45%8.22%30.20%4.14%D + 49.23
CD52 (San Diego)426,66334.26%28.27%32.54%4.93%D + 5.99
CD02 (North Coast)426,31950.34%18.84%25.18%5.65%D + 31.50
CD53 (La Mesa)426,11341.77%22.06%31.07%5.09%D + 19.71
SD33 (Long Beach)422,21655.15%11.81%28.40%4.64%D + 43.34
CD45 (Irvine)420,23730.57%36.39%28.95%4.09%R + 5.82
SD22 (San Gabriel Valley)419,58645.67%17.34%32.88%4.11%D + 28.33
SD31 (Riverside)419,51142.54%28.10%25.05%4.30%D + 14.44
SD34 (Huntington Beach)416,54239.14%29.17%27.65%4.05%D + 9.97
CD11 (Contra Costa)415,51149.93%19.35%26.63%4.09%D + 30.58
CD01 (Northeast Cal)409,07629.32%40.00%22.10%8.58%R + 10.68
CD07 (E. Sac Co)408,72737.90%31.13%25.76%5.20%D + 6.77
CD48 (Huntington Beach)407,76729.80%38.42%27.20%4.59%R + 8.62
CD18 (Silicon Valley)405,77646.58%18.74%30.95%3.73%D + 27.84
CD49 (Carlsbad)400,89131.01%34.77%28.96%5.26%R + 3.76
CD24 (Santa Barbara)395,59938.94%29.63%26.19%5.23%D + 9.31
CD25 (S. Clarita/Palmdale)394,99836.70%32.38%25.74%5.18%D + 4.32
CD05 (Napa-Santa Rosa)392,95050.53%17.95%26.64%4.88%D + 32.58
CD15 (Hayward-San Ramon Vly-Livermore)390,70846.83%18.07%30.97%4.12%D + 28.76
SD20 (Ontario)390,20246.82%19.46%28.97%4.76%D + 27.36
CD27 (Pasadena)387,16542.83%22.15%30.94%4.07%D + 20.68
CD14 (San Mateo)385,73750.96%13.58%31.98%3.49%D + 37.38
CD50 (East SD Co.)384,89326.76%40.05%27.40%5.78%R + 13.29
CD43 (Inglewood)378,88856.17%13.00%26.85%3.98%D + 43.17
CD47 (Long Beach)378,61543.43%23.83%27.89%4.85%D + 19.60
CD26 (Ventura Co)378,31641.41%28.15%25.48%4.96%D + 13.26
CD38 (Whittier)371,59947.97%20.62%27.08%4.33%D + 27.35
CD39 (Fullerton)370,44333.92%33.39%28.85%3.84%R + -0.53
CD03 (Yolano-Yuba-Lake)366,43438.98%28.07%27.44%5.51%D + 10.91
CD42 (Corona)364,38829.81%39.19%25.83%5.17%R + 9.38
CD09 (San Joaquin)364,26843.72%27.19%24.73%4.36%D + 16.53
CD22 (Fresno)362,19231.67%40.21%23.06%5.06%R + 8.54
CD23 (Kern)356,70328.50%40.59%25.55%5.36%R + 12.09
SD12 (Merced)354,21744.60%26.24%24.99%4.17%D + 18.36
CD06 (Sacramento)353,49748.57%18.33%27.88%5.21%D + 30.24
CD10 (Stanislaus)350,50837.30%33.78%23.85%5.07%D + 3.52
CD20 (Monterey)348,18551.44%18.08%26.20%4.28%D + 33.36
CD44 (Carson)344,84158.58%9.82%27.45%4.16%D + 48.76
CD19 (San Jose)342,04846.86%17.41%31.92%3.82%D + 29.45
CD31 (San Bernardino)341,34741.85%27.73%25.59%4.83%D + 14.12
AD50 (West LA)332,57751.78%15.09%28.50%4.63%D + 36.69
CD32 (W. Covina)332,21146.03%20.66%28.74%4.56%D + 25.37
CD08 (SB High Desert)327,66931.99%36.22%25.03%6.76%R + 4.23
CD17 (Milpitas)325,64943.96%14.82%38.02%3.21%D + 29.14
CD29 (E. San Fernando Valley)325,39752.52%12.05%30.91%4.52%D + 40.47
CD36 (Coachella Valley)323,51638.98%32.18%23.82%5.02%D + 6.80
CD51 (S. SD - Imperial)317,20145.96%15.44%34.26%4.34%D + 30.52
CD34 (Downtown LA)317,18656.31%8.58%30.90%4.21%D + 47.73
AD06 (Roseville)312,27828.29%41.62%24.54%5.55%R + 13.33
AD16 (Tri-Valley)309,56440.48%26.46%28.92%4.14%D + 14.02
SD14 (Fresno/Bakersfield)309,07244.30%25.75%25.95%4.00%D + 18.55
CD41 (Riverside)305,35345.63%25.08%24.93%4.36%D + 20.55
AD54 (Culver City)300,97060.87%8.54%26.57%4.02%D + 52.33
AD15 (Berkeley)296,87364.91%5.79%25.44%3.87%D + 59.12
AD78 (Coastal SD)292,93841.80%20.92%31.99%5.30%D + 20.88
AD17 (East SF)290,48959.28%5.07%32.11%3.54%D + 54.21
AD66 (Torrance)288,83639.91%28.35%27.42%4.31%D + 11.56
AD38 (Santa Clarita)288,39434.48%34.12%26.38%5.02%R + -0.36
CD35 (Ontario)287,43346.95%19.07%29.19%4.79%D + 27.88
AD41 (Pasadena)287,25343.66%26.48%25.23%4.63%D + 17.18
AD29 (Monterey)284,99749.19%18.76%27.18%4.87%D + 30.43
AD73 (Coastal South Orange County)284,50527.31%41.98%26.11%4.60%R + 14.67
AD77 (North SD)283,92731.90%31.00%32.44%4.66%R + -0.90
AD43 (Burbank)282,59146.17%19.01%30.41%4.41%D + 27.16
CD40 (Downey)282,17757.92%9.89%28.19%4.00%D + 48.03
AD10 (Marin-Petaluma)282,11154.38%15.67%25.42%4.52%D + 38.71
AD74 (Irvine)280,69031.09%35.71%28.70%4.50%R + 4.62
AD01 (Northeast Cal)280,42228.33%40.73%20.79%10.16%R + 12.40
AD23 (Fresno)278,27833.07%38.89%22.62%5.43%R + 5.82
CD16 (Merced)276,80744.07%25.17%26.09%4.67%D + 18.90
AD18 (Oakland)274,66461.82%6.20%27.79%4.19%D + 55.62
AD45 (W. San Fernando Valley)274,61247.42%20.84%27.20%4.54%D + 26.58
AD37 (Santa Barbara)272,44044.81%23.52%26.64%5.03%D + 21.29
AD70 (Long Beach)272,39048.41%18.93%27.36%5.30%D + 29.48
AD19 (West SF)270,52153.26%9.07%34.35%3.33%D + 44.19
AD22 (San Mateo)268,83449.81%16.01%30.55%3.63%D + 33.80
AD14 (Concord)268,40950.05%18.00%27.36%4.59%D + 32.05
AD79 (East SD)268,03741.08%21.68%32.33%4.92%D + 19.40
AD62 (Inglewood)268,03557.56%10.83%27.33%4.28%D + 46.73
AD02 (North Coast)265,61146.71%21.75%25.03%6.51%D + 24.96
AD68 (Tustin)262,10630.71%36.42%28.62%4.25%R + 5.71
AD11 (Fairfield-Delta)259,37544.59%23.33%27.18%4.89%D + 21.26
AD71 (East SD Co.)258,55027.65%39.84%26.63%5.87%R + 12.19
AD28 (Campbell-Saratoga)258,13843.78%19.90%32.70%3.62%D + 23.88
AD08 (East Sacramento Co.)257,66338.45%30.61%25.34%5.60%D + 7.84
AD04 (Napa/Yolo/Dixon)257,09945.33%22.26%27.14%5.27%D + 23.07
CD46 (Santa Ana)256,09446.96%21.80%27.53%3.72%D + 25.16
AD35 (San Luis Obispo)252,89134.78%34.28%25.44%5.50%R + -0.50
AD76 (Carlsbad)252,86432.94%31.58%29.92%5.56%D + 1.36
AD34 (Bakersfield)252,29826.90%42.08%25.76%5.25%R + 15.18
AD05 (Foothills)250,55929.90%39.60%23.94%6.55%R + 9.70
AD46 (Sherman Oaks)249,74952.09%13.68%29.63%4.61%D + 38.41
AD75 (Escondido)248,41228.07%38.16%28.08%5.69%R + 10.09
AD55 (Yorba Linda)247,49432.07%34.46%29.58%3.90%R + 2.39
AD09 (South Sacramento)246,18044.36%24.90%26.19%4.55%D + 19.46
AD12 (Modesto)245,30933.53%37.73%23.53%5.20%R + 4.20
AD67 (Murrieta)244,71228.48%39.71%26.16%5.65%R + 11.23
AD24 (Palo Alto-Mountain View)243,82948.55%15.47%32.83%3.16%D + 33.08
AD44 (Ventura Co)243,60240.67%29.29%25.32%4.72%D + 11.38
AD03 (Butte-Tehama-Yuba)241,50831.22%36.97%25.33%6.48%R + 5.75
AD72 (Seal Beach)241,30232.36%35.42%28.09%4.12%R + 3.06
AD07 (Sacramento)240,48047.10%19.07%28.45%5.38%D + 28.03
AD57 (Whittier)239,71547.00%21.76%26.89%4.35%D + 25.24
AD64 (Carson)237,73260.74%8.00%27.28%3.97%D + 52.74
AD42 (Yucaipa)237,53534.44%36.04%23.84%5.67%R + 1.60
AD20 (Hayward)235,60852.26%12.86%30.95%3.93%D + 39.40
AD58 (Downey)234,97251.24%16.59%28.06%4.11%D + 34.65
AD40 (Redlands)233,40540.71%30.38%24.11%4.81%D + 10.33
AD39 (E. San Fernando Valley)232,80951.04%14.04%30.23%4.69%D + 37.00
AD36 (Palmdale)232,26238.99%30.36%25.16%5.49%D + 8.63
CD21 (Kings)230,63243.27%27.13%25.59%4.01%D + 16.14
AD51 (East LA)229,38858.64%8.36%28.84%4.16%D + 50.28
AD48 (West Covina)222,69545.71%21.28%28.40%4.60%D + 24.43
AD80 (South SD)222,47445.51%14.96%35.33%4.20%D + 30.55
AD13 (Stockton)221,36146.95%23.61%25.44%4.00%D + 23.34
AD25 (Fremont-Santa Clara)215,07744.62%14.68%37.30%3.40%D + 29.94
AD65 (Fullerton)213,16140.43%28.90%27.04%3.62%D + 11.53
AD33 (SB High Desert)213,06932.51%34.98%25.58%6.94%R + 2.47
AD60 (Corona)212,28239.51%31.58%24.74%4.17%D + 7.93
AD49 (Monterey Park)211,00241.00%18.44%36.83%3.73%D + 22.56
AD63 (South Gate)208,55254.42%13.36%27.89%4.32%D + 41.06
AD61 (Riverside)207,22945.65%24.54%25.37%4.44%D + 21.11
AD30 (East Monterey)203,19049.53%20.22%26.44%3.82%D + 29.31
AD27 (San Jose)200,68048.28%13.84%34.35%3.53%D + 34.44
AD59 (South LA)199,98663.56%4.75%27.82%3.87%D + 58.81
AD47 (Rialto)195,27847.64%18.44%29.31%4.61%D + 29.20
AD52 (Ontario)194,92445.99%20.48%28.63%4.90%D + 25.51
AD53 (Downtown LA)189,52756.16%7.92%31.76%4.16%D + 48.24
AD21 (Merced)187,12443.29%28.41%23.60%4.70%D + 14.88
AD26 (Tulare)184,54930.73%39.43%24.96%4.88%R + 8.70
AD31 (W. Fresno)182,03844.99%24.85%25.66%4.50%D + 20.14
AD56 (Imperial County)179,12046.18%23.45%26.16%4.21%D + 22.73
AD69 (Santa Ana)154,87350.30%17.99%28.13%3.58%D + 32.31
AD32 (Kings)149,38845.54%24.94%25.75%3.77%D + 20.60
* Includes "unknown" in some counties that appeared to have moved the prior "Decline to State" to NPP when it was created
*Includes qualified third parties and "other"
***This is the absolute split of registrations between the two parties and does not necessarily predict race outcome. There is a growing number of No Party Preference voters that in narrow-margin districts are frequently the decision-makers.
Source: California Secretary of State