Election

Total Registration

Ballots Cast

Turnout

Type of Election

6/5/2026

556,699

203,184

36.50%

Gubernatorial Primary

6/24/2025

47,189

8,321

17.63%

Special Runoff - District 3

4/8/2025

47,307

9,107

19.25%

Special Primary- District 3

11/5/2024

543,014

379,305

69.85%

Presidential

3/5/2024

531,493

167,064

31.43%

Presidential Primary

11/8/2022

524,451

234,326

44.68%

Gubernatorial

6/7/2022

520,464

167,403

32.16%

Gubernatorial Primary

11/3/2020

529,599

393,438

74.29%

Presidential

3/3/2020

491,367

226,259

46.05%

Presidential Primary

11/6/2018

454,312

277,312

61.04%

Gubernatorial

6/5/2018

434,008

177,979

41.01%

Gubernatorial Primary

11/8/2016

448,485

360,949

80.48%

Presidential

6/7/2016

402,985

212,897

52.83%

Presidential Primary

6/23/2015

40,782

11,040

27.07%

Special District 4 Runoff

4/21/2015

40,476

10,452

25.82%

Special District 4 Primary

11/4/2014

416,329

194,885

46.81%

Gubernatorial

6/3/2014

415,778

135,680

32.63%

Gubernatorial Primary

11/6/2012

418,430

324,601

77.58%

Presidential

6/5/2012

386,804

144,424

37.34%

Presidential Primary

11/2/2010

392,573

250,581

63.83%

Gubernatorial

6/8/2010

385,290

152,729

39.64%

Gubernatorial Primary

3/3/2009

30,777

13,179

42.82%

Recall District 7 Madison Nguyen (failed)

11/4/2008

328,718

276,123

84.00%

Presidential

6/3/2008

-

-

33.73%

Presidential Primary (no citywide item)--Average of district turnouts

6/5/2007

34,595

11,283

32.61%

Special District 4 Runoff

3/6/2007

38,107

12,115

31.79%

Special District 6 Election

3/6/2007

35,019

9,601

27.42%

Special District 4 Primary

11/7/2006

372,677

122,161

32.78%

Gubernatorial

6/6/2006

372,197

135,892

36.51%

Gubernatorial Primary

9/13/2005

29,415

9,020

30.66%

Special-District 7 Runoff

6/7/2005

29,069

7,937

27.30%

Special-District 7 Primary

11/2/2004

423,282

290,762

68.69%

Presidential

3/2/2004

382,494

147,540

38.57%

Presidential Primary

3/4/2003

359,374

56,049

15.60%

Special Measure A Airport Security

11/5/2002

356,251

170,839

47.95%

Gubernatorial (no Mayor, but with measures)

3/5/2002

356,389

114,840

32.22%

Gubernatorial Primary

3/6/2001

25,751

3,204

12.44%

Special election District 5

11/7/2000

383,545

261,321

68.13%

Presidential

3/7/2000

346,386

172,878

49.91%

Presidential Primary

11/3/1998

347,243

197,814

56.97%

Gubernatorial

6/2/1998

334,232

146,715

43.90%

Gubernatorial Primary

11/5/1996

387,065

243,564

62.93%

Presidential (no runoffs, Measures only)

3/26/1996

352,827

136,554

38.70%

Presidential Primary

5/2/1995

42,519

9,691

22.79%

Special-D10 only

3/14/1995

43,392

8,926

20.57%

Special-D10 only

11/8/1994

372,588

206,105

55.32%

Gubernatorial

6/7/1994

361,482

107,409

29.71%

Gubernatorial Primary

4/12/1994

34,718

9,458

27.24%

Recall District 8 Kathryn Cole (passed)

11/3/1992

385,753

276,446

71.66%

Presidential

6/2/1992

351,666

182,898

52.01%

Presidential Primary

11/6/1990

340,090

187,711

55.19%

Gubernatorial

6/5/1990

324,960

126,505

38.93%

Gubernatorial Primary

11/8/1988

352,631

245,123

69.51%

Presidential

6/7/1988

312,996

148,747

47.52%

Presidential Primary

11/4/1986

318,149

167,195

52.55%

Gubernatorial (Measure only)

6/3/1986

301,794

101,116

33.50%

Gubernatorial Primary

11/6/1984

325,970

233,002

71.48%

Presidential

6/5/1984

283,136

114,368

40.39%

Presidential Primary

11/2/1982

276,673

176,687

63.86%

Gubernatorial

6/8/1982

271,067

118,951

43.88%

Gubernatorial Primary

11/3/1981

698

249

35.67%

Special Election-Sunol Annexation (measure failed)

11/4/1980

262,537

202,382

77.09%

Presidential

6/3/1980

251,469

157,426

62.60%

Presidential Primary

11/7/1978

227,930

160,590

70.46%

Gubernatorial

6/6/1978

237,340

150,977

63.61%

Gubernatorial Primary

11/2/1976

235,463

190,741

81.01%

Presidential

6/8/1976

195,940

142,037

72.49%

Presidential Primary

5/27/1975

160,923

44,246

27.50%

Special Election Charter Amendments

11/5/1974

218,754

135,601

61.99%

Gubernatorial

6/4/1974

205,846

102,282

49.69%

Gubernatorial Primary