Santa Clara County, California

2024 results by precinct

724 precincts · 750,606 votes cast

Harris · D+40

Harris +50

Trump +50

Real precinct boundaries. Hover for vote totals.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	D	+39.9%	510,744	210,924	750,606
2020	D	+47.4%	617,967	214,612	850,741
2016	D	+52.1%	511,684	144,826	703,709
2012	D	+42.8%	450,818	174,843	644,277
2008	D	+40.9%	462,241	190,039	665,589
2004	D	+29.3%	386,100	209,094	603,816
2000	D	+26.2%	332,490	188,750	548,129
1996	D	+24.7%	297,639	168,291	523,291
1992	D	+20.8%	296,265	170,870	602,055
1988	D	+4.3%	277,810	254,442	541,528
1984	R	−11.2%	229,865	288,638	526,639
1980	R	−13.0%	166,995	229,048	477,003
1976	R	−2.5%	208,023	219,188	443,138
1972	R	−6.3%	208,506	237,334	457,293
1968	D	+2.8%	173,511	163,446	358,367
1964	D	+26.5%	202,249	117,420	320,527
1960	R	−5.6%	117,667	131,735	250,092
1956	R	−18.5%	72,528	105,657	178,818
1952	R	−19.1%	59,350	87,554	147,807
1948	R	−11.1%	41,905	52,982	99,502
1944	D	+5.3%	43,869	39,409	83,777
1940	D	+0.4%	40,449	40,100	81,496
1936	D	+18.1%	38,346	26,498	65,576
1932	D	+1.6%	28,272	27,353	57,531
1928	R	−28.4%	17,589	31,710	49,694
1924	R	−50.6%	2,560	20,056	34,568
1920	R	−45.5%	6,485	19,565	28,732
1916	R	−7.4%	14,185	16,592	32,681
1912	D	+39.6%	9,173	0	23,139
1908	R	−30.5%	3,836	7,950	13,502
1904	R	−41.3%	3,100	8,274	12,517
1900	R	−20.5%	4,607	7,107	12,200
1896	R	−9.5%	5,191	6,315	11,801
1892	R	−4.4%	4,167	4,620	10,387
1888	R	−5.4%	3,972	4,457	8,924
1884	R	−9.2%	3,172	3,840	7,258
1880	R	−4.8%	2,821	3,113	6,045
1876	R	−4.2%	3,065	3,335	6,402

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

American

100.0%

African American

1.8%

Multiple ancestry combinations reported; no single grouping above 1%.

American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.

Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 38.1 in this county, 39.1 nationally

Male

Age

Female

0.8%

85+

1.2%

2.0%

75–84

2.5%

4.0%

65–74

4.4%

6.2%

55–64

5.9%

6.7%

45–54

6.5%

7.6%

35–44

6.9%

8.7%

25–34

7.5%

4.5%

18–24

4.2%

7.9%

5–17

7.4%

2.7%

2.5%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$164,281

Santa Clara County ranks in the top 0.5% of US counties.

Santa Clara County$164,281

California$99,122

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

7.1%

Children face moderate poverty.

Children under 1818.0%

Working age (18–64)100.0%

Seniors (65+)18.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

0.0%

speak English only

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

26.5%

Other Christian

8.5%

Non-Christian

6.6%

Pentecostal & Holiness

1.2%

Mainline Protestant

1.1%

Baptist

1.0%

Methodist

0.6%

Source · 2020 US Religion Census. Remaining 54.5% of residents not counted as adherents by any reporting body.

Home to the global tech industry's core, Santa Clara County delivers some of California's widest presidential margins, with a highly educated, diverse workforce that has shifted the electorate decisively leftward over the past two decades.

The Democratic margin in Santa Clara County has been steady. It reached its modern peak at fifty-two points in 2016; the 2024 margin was forty points, still in line with the county's long pattern.

Santa Clara County's political identity is inseparable from its demographic profile: a 30% non-Hispanic-white share, a median household income of $164,281, and the full diversity of a major metropolitan center. The county's voting pattern resembles other major urban centers most closely — Contra Costa County and San Mateo County.

Most similar counties

Santa Clara County is one of the bluest places in America.