Voter registration as of July 3, 2020
Voter registration trends by district | District Performance
 District
 | Registered Voters | Democratic %
| Republican %
| No Party Preference %* | Other %**
| Partisan Split***
|
|---|---|---|---|---|---|---|
| AD01 (Northeast Cal) | 278,111 | 28.16% | 40.88% | 20.87% | 10.08% | R + 12.72 |
| AD02 (North Coast) | 269,242 | 47.05% | 21.55% | 24.09% | 7.31% | D + 25.50 |
| AD03 (Butte-Tehama-Yuba) | 243,011 | 31.03% | 36.91% | 24.40% | 7.66% | R + 5.88 |
| AD04 (Napa/Yolo/Dixon) | 260,010 | 45.70% | 22.07% | 26.15% | 6.08% | D + 23.63 |
| AD05 (Foothills) | 255,263 | 29.81% | 39.47% | 23.36% | 7.36% | R + 9.66 |
| AD06 (Roseville) | 323,437 | 28.81% | 40.83% | 23.82% | 6.54% | R + 12.02 |
| AD07 (Sacramento) | 252,993 | 47.63% | 18.60% | 27.25% | 6.52% | D + 29.03 |
| AD08 (East Sacramento Co.) | 268,128 | 38.76% | 29.88% | 24.62% | 6.75% | D + 8.88 |
| AD09 (South Sacramento) | 253,377 | 44.98% | 23.89% | 25.46% | 5.66% | D + 21.09 |
| AD10 (Marin-Petaluma) | 285,276 | 55.36% | 15.10% | 24.22% | 5.32% | D + 40.26 |
| AD11 (Fairfield-Delta) | 272,896 | 44.80% | 22.97% | 26.25% | 5.98% | D + 21.83 |
| AD12 (Modesto) | 246,710 | 33.86% | 37.30% | 22.50% | 6.34% | R + 3.44 |
| AD13 (Stockton) | 194,092 | 47.73% | 22.37% | 24.28% | 5.62% | D + 25.36 |
| AD14 (Concord) | 276,682 | 50.67% | 17.54% | 26.28% | 5.52% | D + 33.13 |
| AD15 (Berkeley) | 299,646 | 65.78% | 5.68% | 24.31% | 4.22% | D + 60.10 |
| AD16 (Walnut Creek-Pleasanton-Livermore) | 316,342 | 41.74% | 25.24% | 28.34% | 4.68% | D + 16.50 |
| AD17 (East SF) | 289,333 | 60.70% | 5.05% | 29.89% | 4.36% | D + 55.65 |
| AD18 (Oakland) | 279,023 | 62.40% | 6.13% | 27.03% | 4.44% | D + 56.27 |
| AD19 (West SF) | 273,376 | 54.63% | 8.93% | 32.32% | 4.11% | D + 45.70 |
| AD20 (Hayward) | 243,024 | 52.94% | 12.64% | 30.20% | 4.22% | D + 40.30 |
| AD21 (Merced) | 194,617 | 42.98% | 27.80% | 23.54% | 5.68% | D + 15.18 |
| AD22 (San Mateo) | 275,047 | 50.95% | 15.37% | 29.20% | 4.48% | D + 35.58 |
| AD23 (Fresno) | 286,214 | 33.46% | 38.07% | 22.45% | 6.03% | R + 4.61 |
| AD24 (Palo Alto-Mountain View) | 249,580 | 49.83% | 14.78% | 31.87% | 3.51% | D + 35.05 |
| AD25 (Fremont-Santa Clara) | 224,323 | 45.83% | 14.55% | 35.98% | 3.64% | D + 31.28 |
| AD26 (Tulare) | 192,302 | 31.26% | 38.22% | 24.26% | 6.26% | R + 6.96 |
| AD27 (San Jose) | 211,799 | 49.33% | 13.85% | 32.83% | 3.99% | D + 35.48 |
| AD28 (Campbell-Saratoga) | 265,820 | 44.95% | 19.13% | 32.02% | 3.91% | D + 25.82 |
| AD29 (Monterey) | 291,971 | 49.95% | 18.33% | 26.27% | 5.45% | D + 31.62 |
| AD30 (East Monterey) | 214,460 | 49.65% | 19.76% | 25.90% | 4.69% | D + 29.89 |
| AD31 (W. Fresno) | 188,491 | 44.98% | 24.07% | 25.73% | 5.23% | D + 20.91 |
| AD32 (Kings) | 154,604 | 45.09% | 24.54% | 24.99% | 5.38% | D + 20.55 |
| AD33 (SB High Desert) | 228,395 | 33.04% | 34.41% | 24.37% | 8.18% | R + 1.37 |
| AD34 (Bakersfield) | 260,878 | 27.30% | 41.70% | 24.52% | 6.48% | R + 14.40 |
| AD35 (San Luis Obispo) | 258,577 | 35.27% | 33.57% | 24.58% | 6.57% | D + 1.70 |
| AD36 (Palmdale) | 246,044 | 39.66% | 29.50% | 24.20% | 6.64% | D + 10.16 |
| AD37 (Santa Barbara) | 277,489 | 45.60% | 22.95% | 25.19% | 6.26% | D + 22.65 |
| AD38 (Santa Clarita) | 296,656 | 35.29% | 33.38% | 25.35% | 5.98% | D + 1.91 |
| AD39 (E. San Fernando Valley) | 240,744 | 51.61% | 13.87% | 29.02% | 5.50% | D + 37.74 |
| AD40 (Redlands) | 246,794 | 40.95% | 29.55% | 23.35% | 6.16% | D + 11.40 |
| AD41 (Pasadena) | 297,503 | 44.58% | 25.70% | 24.30% | 5.41% | D + 18.88 |
| AD42 (Cathedral City, Twenty-Nine Palms, Yucaipa) | 250,657 | 35.16% | 35.09% | 22.91% | 6.84% | |
| AD43 (Burbank) | 289,064 | 46.99% | 18.62% | 29.22% | 5.17% | D + 28.37 |
| AD44 (Ventura Co) | 245,121 | 40.81% | 28.78% | 24.01% | 6.40% | D + 12.03 |
| AD45 (W. San Fernando Valley) | 282,604 | 47.68% | 20.40% | 26.50% | 5.42% | D + 27.28 |
| AD46 (Sherman Oaks) | 257,109 | 52.76% | 13.51% | 28.26% | 5.48% | D + 39.25 |
| AD47 (Rialto) | 211,709 | 48.45% | 18.04% | 27.56% | 5.95% | D + 30.41 |
| AD48 (West Covina) | 234,762 | 46.33% | 20.82% | 27.24% | 5.61% | D + 25.51 |
| AD49 (Monterey Park) | 221,505 | 41.85% | 18.03% | 35.30% | 4.81% | D + 23.82 |
| AD50 (West LA) | 337,760 | 52.57% | 14.94% | 27.22% | 5.27% | D + 37.63 |
| AD51 (East LA) | 234,558 | 59.49% | 8.24% | 27.16% | 5.11% | D + 51.25 |
| AD52 (Ontario) | 209,610 | 46.80% | 20.14% | 26.98% | 6.09% | D + 26.66 |
| AD53 (Downtown LA) | 196,692 | 56.99% | 8.13% | 29.49% | 5.39% | D + 48.86 |
| AD54 (Culver City) | 305,374 | 61.48% | 8.51% | 25.29% | 4.72% | D + 52.97 |
| AD55 (Diamond Bar-Yorba Linda) | 259,377 | 33.09% | 33.58% | 28.70% | 4.63% | R + 0.49 |
| AD56 (Imperial County) | 194,776 | 46.50% | 22.63% | 25.49% | 5.38% | D + 23.87 |
| AD57 (Whittier) | 250,965 | 47.56% | 21.25% | 25.96% | 5.23% | D + 26.31 |
| AD58 (Downey) | 246,485 | 51.69% | 16.42% | 26.84% | 5.04% | D + 35.27 |
| AD59 (South Los Angeles) | 206,707 | 63.66% | 4.93% | 26.30% | 5.11% | D + 58.73 |
| AD60 (Corona) | 224,255 | 39.89% | 30.66% | 24.14% | 5.32% | D + 9.23 |
| AD61 (Riverside) | 218,106 | 46.03% | 23.67% | 24.70% | 5.59% | D + 22.36 |
| AD62 (Inglewood) | 277,982 | 58.17% | 10.66% | 25.98% | 5.20% | D + 47.51 |
| AD63 (South Gate) | 216,718 | 55.01% | 13.18% | 26.50% | 5.31% | D + 41.83 |
| AD64 (Carson) | 246,725 | 60.85% | 8.08% | 26.00% | 5.07% | D + 52.77 |
| AD65 (Buena Park-Fullerton) | 223,304 | 40.66% | 28.32% | 26.76% | 4.27% | D + 12.34 |
| AD66 (Torrance) | 296,781 | 40.65% | 27.50% | 26.71% | 5.14% | D + 13.15 |
| AD67 (Murrieta) | 262,765 | 29.38% | 38.68% | 25.17% | 6.76% | R + 9.30 |
| AD68 (Anaheim Hills-Orange-Tustin-Irvine) | 274,252 | 31.93% | 35.34% | 27.99% | 4.75% | R + 3.41 |
| AD69 (Santa Ana) | 164,897 | 50.58% | 17.63% | 27.57% | 4.21% | D + 32.95 |
| AD70 (Long Beach) | 279,777 | 49.15% | 18.48% | 26.13% | 6.25% | D + 30.67 |
| AD71 (East SD Co.) | 267,795 | 28.14% | 39.17% | 25.77% | 6.91% | R + 11.03 |
| AD72 (Garden Grove-Westminster-Fountain Valley) | 252,918 | 33.03% | 34.70% | 27.54% | 4.72% | R + 1.67 |
| AD73 (South Orange County) | 295,412 | 28.18% | 41.03% | 25.56% | 5.22% | R + 12.85 |
| AD74 (OC Beach Cities-Costa Mesa-Irvine) | 287,611 | 32.04% | 35.14% | 27.78% | 5.04% | R + 3.10 |
| AD75 (Escondido) | 264,209 | 29.29% | 37.04% | 26.93% | 6.73% | R + 7.75 |
| AD76 (North San Diego Coast) | 265,113 | 34.00% | 30.83% | 28.51% | 6.66% | D + 3.17 |
| AD77 (North SD) | 296,260 | 33.33% | 30.07% | 31.13% | 5.47% | D + 3.26 |
| AD78 (Coastal SD) | 291,551 | 43.13% | 20.61% | 29.93% | 6.32% | D + 22.52 |
| AD79 (East SD) | 274,537 | 41.86% | 21.46% | 30.36% | 6.31% | D + 20.40 |
| AD80 (South SD) | 230,553 | 46.17% | 15.14% | 32.94% | 5.75% | D + 31.03 |
| BOE1 (Inland) | 4,815,433 | 37.71% | 31.26% | 24.48% | 6.55% | D + 6.45 |
| BOE2 (Northwest) | 5,274,535 | 50.22% | 16.77% | 28.07% | 4.94% | D + 33.45 |
| BOE3 (LA/Ventura) | 5,198,254 | 50.51% | 17.09% | 27.04% | 5.36% | D + 33.42 |
| BOE4 (SoCal) | 5,040,414 | 37.03% | 30.07% | 27.18% | 5.72% | D + 6.96 |
| CD01 (Northeast Cal) | 405,038 | 29.01% | 40.10% | 21.96% | 8.92% | R + 11.09 |
| CD02 (North Coast) | 431,803 | 50.92% | 18.44% | 24.25% | 6.39% | D + 32.48 |
| CD03 (Yolano-Yuba-Lake) | 378,808 | 39.17% | 27.92% | 26.26% | 6.65% | D + 11.25 |
| CD04 (Roseville-Foothills) | 468,560 | 28.72% | 40.92% | 22.98% | 7.38% | R + 12.20 |
| CD05 (Napa-Santa Rosa) | 401,230 | 51.16% | 17.62% | 25.38% | 5.84% | D + 33.54 |
| CD06 (Sacramento) | 371,637 | 49.00% | 17.83% | 26.79% | 6.39% | D + 31.17 |
| CD07 (E. Sac Co) | 425,277 | 38.38% | 30.32% | 25.04% | 6.26% | D + 8.06 |
| CD08 (SB High Desert-Barstow-Eastern Sierra) | 348,168 | 32.37% | 35.68% | 23.98% | 7.97% | R + 3.31 |
| CD09 (San Joaquin) | 340,444 | 43.95% | 26.44% | 23.90% | 5.70% | D + 17.51 |
| CD10 (San Joaquin-Stanislaus) | 353,792 | 37.66% | 33.21% | 22.85% | 6.28% | D + 4.45 |
| CD11 (Contra Costa) | 425,375 | 50.79% | 18.59% | 25.72% | 4.90% | D + 32.20 |
| CD12 (San Francisco) | 441,730 | 58.76% | 6.32% | 30.60% | 4.32% | D + 52.44 |
| CD13 (Oakland) | 449,528 | 64.61% | 5.40% | 25.67% | 4.32% | D + 59.21 |
| CD14 (San Mateo) | 395,453 | 52.05% | 13.16% | 30.42% | 4.38% | D + 38.89 |
| CD15 (Hayward-San Ramon Vly-Livermore) | 402,491 | 47.81% | 17.44% | 30.27% | 4.48% | D + 30.37 |
| CD16 (Merced-Fresno) | 288,384 | 43.84% | 24.67% | 25.96% | 5.52% | D + 19.17 |
| CD17 (Milpitas) | 338,534 | 45.28% | 14.55% | 36.74% | 3.43% | D + 30.73 |
| CD18 (Silicon Valley) | 414,762 | 47.68% | 17.99% | 30.27% | 4.06% | D + 29.69 |
| CD19 (San Jose) | 358,991 | 47.94% | 17.07% | 30.69% | 4.30% | D + 30.87 |
| CD20 (Monterey) | 361,194 | 51.75% | 17.75% | 25.44% | 5.05% | D + 34.00 |
| CD21 (Coalinga-Lemoore-South Bakersfield) | 239,413 | 43.12% | 26.49% | 25.11% | 5.28% | D + 16.63 |
| CD22 (Clovis-Visalia-Tulare) | 374,890 | 32.12% | 39.20% | 22.73% | 5.94% | R + 7.08 |
| CD23 (Kern) | 370,744 | 28.94% | 40.03% | 24.39% | 6.64% | R + 11.09 |
| CD24 (Santa Barbara) | 404,591 | 39.57% | 28.98% | 25.17% | 6.28% | D + 10.59 |
| CD25 (Santa Clarita-Palmdale) | 411,244 | 37.56% | 31.51% | 24.72% | 6.21% | D + 6.05 |
| CD26 (Ventura Co) | 381,699 | 41.78% | 27.61% | 24.06% | 6.55% | D + 14.17 |
| CD27 (Pasadena) | 402,357 | 43.77% | 21.52% | 29.77% | 4.94% | D + 22.25 |
| CD28 (Hollywood) | 444,628 | 49.62% | 16.51% | 28.60% | 5.27% | D + 33.11 |
| CD29 (E. San Fernando Valley) | 337,842 | 53.04% | 12.02% | 29.48% | 5.46% | D + 41.02 |
| CD30 (W. San Fernando Valley) | 452,544 | 48.79% | 19.33% | 26.46% | 5.42% | D + 29.46 |
| CD31 (San Bernardino) | 363,360 | 42.38% | 26.90% | 24.55% | 6.17% | D + 15.48 |
| CD32 (W. Covina) | 350,122 | 46.66% | 20.20% | 27.56% | 5.58% | D + 26.46 |
| CD33 (LA Coast) | 490,216 | 45.08% | 22.45% | 27.16% | 5.31% | D + 22.63 |
| CD34 (Downtown LA) | 327,098 | 57.22% | 8.62% | 28.79% | 5.37% | D + 48.60 |
| CD35 (Ontario) | 310,196 | 47.80% | 18.75% | 27.42% | 6.02% | D + 29.05 |
| CD36 (Coachella Valley) | 343,246 | 39.82% | 30.99% | 23.03% | 6.16% | D + 8.83 |
| CD37 (Culver City) | 439,252 | 61.96% | 7.92% | 25.31% | 4.81% | D + 54.04 |
| CD38 (Whittier) | 388,548 | 48.51% | 20.28% | 26.06% | 5.15% | D + 28.23 |
| CD39 (Diamond Bar-Fullerton-Yorba Linda) | 387,266 | 34.78% | 32.53% | 28.16% | 4.53% | D + 2.25 |
| CD40 (Downey) | 294,877 | 58.24% | 9.91% | 26.73% | 5.12% | D + 48.33 |
| CD41 (Riverside) | 321,223 | 45.84% | 24.25% | 24.38% | 5.53% | D + 21.59 |
| CD42 (Corona-Murietta) | 389,751 | 30.68% | 38.16% | 24.88% | 6.28% | R + 7.48 |
| CD43 (Inglewood) | 393,379 | 56.45% | 12.79% | 25.78% | 4.98% | D + 43.66 |
| CD44 (Carson) | 358,406 | 58.80% | 9.78% | 26.19% | 5.23% | D + 49.02 |
| CD45 (Anaheim Hills-Tustin-Irvine) | 435,469 | 31.68% | 35.48% | 28.23% | 4.61% | R + 3.80 |
| CD46 (Santa Ana) | 270,886 | 47.27% | 21.31% | 27.05% | 4.36% | D + 25.96 |
| CD47 (Long Beach) | 392,559 | 44.08% | 23.40% | 26.87% | 5.65% | D + 20.68 |
| CD48 (Orange County beach cities-Costa Mesa-Fountain Valley) | 422,264 | 30.63% | 37.65% | 26.53% | 5.19% | R + 7.02 |
| CD49 (South Orange County Coast-North San Diego County Coast) | 418,516 | 31.99% | 34.01% | 27.79% | 6.21% | R + 2.02 |
| CD50 (East San Diego County) | 404,488 | 27.69% | 39.13% | 26.39% | 6.80% | R + 11.44 |
| CD51 (S. SD - Imperial) | 333,525 | 46.32% | 15.70% | 32.03% | 5.95% | D + 30.62 |
| CD52 (San Diego) | 437,744 | 35.58% | 27.63% | 30.96% | 5.84% | D + 7.95 |
| CD53 (SD Balboa Park-La Mesa-El Cajon) | 435,094 | 42.72% | 21.75% | 29.31% | 6.21% | D + 20.97 |
| SD01 (Northeast Cal) | 599,082 | 28.59% | 40.71% | 22.37% | 8.32% | R + 12.12 |
| SD02 (North Coast) | 543,004 | 50.37% | 18.78% | 24.46% | 6.39% | D + 31.59 |
| SD03 (Napa/Yolano) | 547,956 | 47.65% | 20.44% | 25.95% | 5.96% | D + 27.21 |
| SD04 (Roseville-Yuba-Tehama) | 515,545 | 32.41% | 35.63% | 24.62% | 7.34% | R + 3.22 |
| SD05 (San Joaquin) | 445,758 | 40.67% | 30.11% | 23.18% | 6.04% | D + 10.56 |
| SD06 (Sacramento) | 521,927 | 48.15% | 19.41% | 26.40% | 6.05% | D + 28.74 |
| SD07 (Tri-Valley) | 582,417 | 44.59% | 23.07% | 27.29% | 5.05% | D + 21.52 |
| SD08 (Foothills) | 550,296 | 32.34% | 38.49% | 22.77% | 6.40% | R + 6.15 |
| SD09 (Oakland) | 580,411 | 64.13% | 5.94% | 25.60% | 4.33% | D + 58.19 |
| SD10 (Hayward-Fremont-Santa Clara) | 469,003 | 49.76% | 13.41% | 32.89% | 3.94% | D + 36.35 |
| SD11 (San Francisco) | 560,567 | 57.76% | 6.92% | 31.08% | 4.24% | D + 50.84 |
| SD12 (Merced) | 372,354 | 44.43% | 25.65% | 24.73% | 5.19% | D + 18.78 |
| SD13 (San Mateo) | 524,079 | 50.48% | 15.05% | 30.44% | 4.03% | D + 35.43 |
| SD14 (Fresno/Bakersfield) | 320,887 | 44.16% | 24.99% | 25.53% | 5.32% | D + 19.17 |
| SD15 (San Jose) | 483,325 | 46.44% | 17.21% | 32.42% | 3.93% | D + 29.23 |
| SD16 (Kern) | 469,825 | 28.31% | 40.39% | 24.37% | 6.92% | R + 12.08 |
| SD17 (Santa Cruz-SLO) | 559,470 | 44.99% | 23.58% | 25.64% | 5.79% | D + 21.41 |
| SD18 (San Fernando Valley) | 495,890 | 52.30% | 13.63% | 28.59% | 5.48% | D + 38.67 |
| SD19 (Santa Barbara/Ventura) | 483,202 | 44.29% | 24.48% | 24.99% | 6.24% | D + 19.81 |
| SD20 (Ontario) | 421,319 | 47.63% | 19.08% | 27.27% | 6.02% | D + 28.55 |
| SD21 (Santa Clarita-Antelope Valley) | 503,744 | 37.90% | 30.64% | 24.64% | 6.82% | D + 7.26 |
| SD22 (San Gabriel Valley) | 442,481 | 46.35% | 17.05% | 31.43% | 5.18% | D + 29.30 |
| SD23 (Redlands) | 514,870 | 35.55% | 34.41% | 23.32% | 6.72% | D + 1.14 |
| SD24 (East LA) | 437,799 | 58.35% | 8.23% | 28.28% | 5.14% | D + 50.12 |
| SD25 (Pasadena) | 585,604 | 43.35% | 24.53% | 26.76% | 5.36% | D + 18.82 |
| SD26 (Coast LA) | 650,308 | 47.93% | 19.36% | 27.41% | 5.31% | D + 28.57 |
| SD27 (Ventura Co) | 581,783 | 41.52% | 27.15% | 25.52% | 5.80% | D + 14.37 |
| SD28 (Temecula-Coachella Vly-Blythe) | 479,497 | 34.80% | 34.98% | 23.94% | 6.28% | D + 0.18 |
| SD29 (Fullerton/Diamond Bar) | 476,843 | 36.74% | 30.94% | 27.83% | 4.48% | D + 5.80 |
| SD30 (Culver City) | 534,835 | 63.14% | 6.61% | 25.27% | 4.98% | D + 56.53 |
| SD31 (Riverside) | 442,361 | 42.92% | 27.21% | 24.41% | 5.45% | D + 15.71 |
| SD32 (Whittier) | 511,693 | 48.03% | 20.56% | 26.28% | 5.13% | D + 27.47 |
| SD33 (Long Beach) | 436,695 | 55.81% | 11.60% | 26.92% | 5.67% | D + 44.21 |
| SD34 (Huntington Beach) | 437,711 | 39.71% | 28.53% | 27.11% | 4.65% | D + 11.18 |
| SD35 (South Bay) | 508,070 | 56.93% | 12.05% | 25.96% | 5.06% | D + 44.88 |
| SD36 (Carlsbad) | 566,242 | 30.90% | 36.25% | 26.94% | 5.91% | R + 5.35 |
| SD37 (Anaheim Hills-Irvine-OC Coast) | 564,963 | 31.96% | 35.27% | 27.87% | 4.90% | R + 3.31 |
| SD38 (East San Diego Co.) | 548,908 | 29.98% | 36.14% | 27.35% | 6.52% | R + 6.16 |
| SD39 (San Diego) | 581,777 | 40.31% | 23.26% | 30.33% | 6.10% | D + 17.05 |
| SD40 (S. San Diego) | 476,135 | 44.23% | 18.30% | 31.72% | 5.75% | D + 25.93 |
| * 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 | ||||||