Santa Clara County, California: Deep Blue Country
California · Presidential Elections 1876–2024
D+39.9
2024 Margin
R+7.5%
2020→2024 Swing
D since 1988
Voting Streak
1.9M
Population
Santa Clara County, California voted D+39.9 for Kamala Harris in 2024, with Harris receiving 510,744 votes (68.04%). This represented a R+7.5% swing toward Republicans compared to 2020. The county has voted Democratic in every presidential election since 1988.
Quick Stats
2024 ResultD+39.9
2020→2024 SwingR+7.5%
Voting StreakD since 1988
Elections on Record38
Demographics
Population1,936,259
Median Age
37.7(US: 38.4)
College (BA+)
83.6%(US: 47.9%)
Median Income
$153,792(US: $78k)
White (non-Hisp)
28.2%(US: 57.5%)
Hispanic
25.1%(US: 18.6%)
Black
2.3%(US: 12.3%)
Asian
38.9%(US: 5.7%)
Homeownership
55.3%(US: 64.2%)
Poverty Rate
6.9%(US: 12.4%)
Veterans
2.7%(US: 6.4%)
Community Profile
Presidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 68.0%(510,744) | 28.1%(210,924) | D+39.9 | R+7.5 |
| 2020 | 72.6%(617,967) | 25.2%(214,612) | D+47.4 | R+4.7 |
| 2016 | 72.7%(511,684) | 20.6%(144,826) | D+52.1 | D+9.3 |
| 2012 | 70.0%(450,818) | 27.1%(174,843) | D+42.8 | D+1.9 |
| 2008 | 69.5%(462,241) | 28.6%(190,039) | D+40.9 | D+11.6 |
| 2004 | 63.9%(386,100) | 34.6%(209,094) | D+29.3 | D+3.1 |
| 2000 | 60.7%(332,490) | 34.4%(188,750) | D+26.2 | D+1.5 |
| 1996 | 56.9%(297,639) | 32.2%(168,291) | D+24.7 | D+3.9 |
| 1992 | 49.2%(296,265) | 28.4%(170,870) | D+20.8 | D+16.5 |
| 1988 | 51.3%(277,810) | 47.0%(254,442) | D+4.3 | D+15.5 |
Source: Official state election returns via MIT Election Data + Science Lab
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2018 | 59.8%(339,866) | 0.0%(0) | D+59.8 | D+13.9 |
| 2012 | 72.9%(454,647) | 27.1%(168,722) | D+45.9 | D+0.9 |
| 2006 | 69.8%(298,451) | 24.9%(106,383) | D+44.9 | D+20.3 |
| 2000 | 59.6%(320,400) | 35.0%(187,953) | D+24.6 | D+4.8 |
| 1994 | 55.8%(245,232) | 35.9%(157,922) | D+19.9 | R+11.3 |
| 1992 | 62.2%(364,997) | 31.0%(181,858) | D+31.2 | D+30.5 |
| 1988 | 48.4%(257,463) | 47.7%(253,865) | D+0.7 | D+4.2 |
| 1982 | 46.1%(187,805) | 49.6%(201,969) | R+3.5 | D+3.3 |
| 1976 | 45.1%(198,703) | 51.9%(228,399) | R+6.7 | R+24.5 |
| 1970 | 57.8%(193,769) | 40.0%(134,326) | D+17.7 | D+15.4 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2018 | 71.4%(438,758) | 28.6%(175,791) | D+42.8 | R+3.1 |
| 2014 | 72.9%(288,732) | 27.1%(107,113) | D+45.9 | D+19.5 |
| 2010 | 61.3%(314,022) | 34.9%(178,695) | D+26.4 | D+35.7 |
| 2006 | 42.9%(185,037) | 52.2%(225,132) | R+9.3 | R+32.2 |
| 2002 | 55.3%(199,399) | 32.4%(116,862) | D+22.9 | R+9.7 |
| 1998 | 64.3%(270,105) | 31.7%(133,015) | D+32.6 | D+32.7 |
| 1994 | 47.5%(211,904) | 47.5%(212,075) | R+0.0 | R+9.7 |
| 1990 | 52.2%(218,843) | 42.6%(178,310) | D+9.7 | D+31.9 |
| 1986 | 37.6%(142,907) | 59.9%(227,285) | R+22.2 | R+31.1 |
| 1982 | 52.9%(216,781) | 44.0%(180,232) | D+8.9 | R+22.7 |
Source: Official state election returns via MIT Election Data + Science Lab