San Jose-Sunnyvale-Santa Clara, CA Metro Area — Elections 1892–2024

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How it voted

Share of the 2024 vote

Kamala Harris ✓Democratic	67.6%	525,923
Donald TrumpRepublican	28.6%	222,626
Robert F. Kennedy Jr.American Independent	3.8%	29,533

D+60

R+60

2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.

County-level results (2 counties) — table

2024 presidential result by county for San Jose-Sunnyvale-Santa Clara, CA, CA — winner and D-vs-R margin.
County	Winner	Margin
San Benito County, CA	Democratic	D+12.6
Santa Clara County, CA	Democratic	D+40.0

34 presidential elections

Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Democratic	Republican	Other	Margin	Total
2024	D	67.6%Harris525,923	28.6%Trump222,626	3.8%Kennedy29,533	+39.0%	778,082
2020	D	72.3%Biden635,595	25.6%Trump225,202	2.1%Jorgensen18,774	+46.7%	879,571
2016	D	72.2%Clinton524,205	21.0%Trump152,667	6.7%Johnson48,959	+51.2%	725,831
2012	D	69.7%Obama462,094	27.5%Romney182,186	2.9%Johnson19,078	+42.2%	663,358
2008	D	69.2%Obama474,158	28.8%McCain197,464	2.0%Nader13,755	+40.4%	685,377
2004	D	63.6%Kerry395,951	35.0%Bush217,792	1.4%Badnarik8,798	+28.6%	622,541
2000	D	60.5%Gore341,621	34.7%Bush195,765	4.9%Nader27,574	+25.8%	564,960
1996	D	56.7%Clinton304,669	32.3%Dole173,675	11.0%Perot58,853	+24.4%	537,197
1992	D	49.1%Clinton301,619	28.5%Bush174,982	22.5%Perot138,193	+20.6%	614,794
1988	D	51.2%Dukakis282,369	47.1%Bush260,020	1.7%Paul9,447	+4.0%	551,836
1984	R	43.5%Mondale233,419	54.9%Reagan294,333	1.5%Bergland8,267	−11.4%	536,019
1980	R	35.0%Carter169,744	48.1%Reagan233,102	16.9%Anderson81,759	−13.1%	484,605
1976	R	46.9%Carter211,145	49.5%Ford222,586	3.6%Macbride16,087	−2.5%	449,818
1972	R	45.5%McGovern211,088	52.0%Nixon241,295	2.5%Schmitz11,791	−6.5%	464,174
1968	D	48.4%Humphrey176,320	45.6%Nixon166,407	6.0%Wallace21,869	+2.7%	364,596
1964	D	63.1%Johnson206,028	36.7%Goldwater119,864	0.3%Hass872	+26.4%	326,764
1960	R	47.1%Kennedy120,543	52.6%Nixon134,791	0.3%Byrd703	−5.6%	256,037
1956	R	40.6%Stevenson74,729	59.1%Eisenhower108,909	0.3%Andrews643	−18.5%	184,281
1952	R	40.0%Stevenson61,241	59.4%Eisenhower91,057	0.6%Hallinan924	−19.5%	153,222
1948	R	42.1%Truman44,001	53.4%Dewey55,757	4.5%Thurmond4,731	−11.3%	104,489
1944	D	52.1%Roosevelt45,867	47.3%Dewey41,662	0.6%Thomas515	+4.8%	88,044
1940	D	49.7%Roosevelt42,890	49.2%Willkie42,507	1.1%Thomas982	+0.4%	86,379
1936	D	58.7%Roosevelt40,911	40.2%Landon28,013	1.1%Lemke794	+18.5%	69,718
1932	D	49.9%Roosevelt30,555	46.7%Hoover28,622	3.4%Thomas2,098	+3.2%	61,275
1928	R	35.7%Smith18,955	63.5%Hoover33,681	0.8%Thomas406	−27.8%	53,042
1924	R	7.8%Davis2,921	57.7%Coolidge21,499	34.5%La Follette12,843	−49.9%	37,263
1920	R	23.3%Cox7,385	67.8%Harding21,530	8.9%Debs2,840	−44.5%	31,755
1916	R	44.2%Wilson15,873	50.2%Hughes18,032	5.7%Benson2,035	−6.0%	35,940
1912	O	40.5%Wilson10,426	0.0%Taft0	59.5%Roosevelt15,286	Roosevelt +18.9	25,712
1908	R	29.6%Bryan4,520	58.3%Taft8,887	12.1%Debs1,844	−28.6%	15,251
1904	R	26.5%Parker3,745	64.8%Roosevelt9,162	8.8%Debs1,239	−38.3%	14,146
1900	R	39.2%Bryan5,393	57.0%McKinley7,831	3.8%Woolley526	−17.7%	13,750
1896	R	45.5%Bryan6,147	52.1%McKinley7,044	2.4%Palmer326	−6.6%	13,517
1892	R	40.9%Cleveland4,926	43.4%Harrison5,236	15.7%Weaver1,891	−2.6%	12,053

presidential history

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	−2.6%
1896	−6.6%
1900	−17.7%
1904	−38.3%
1908	−28.6%
1912	+40.5%
1916	−6.0%
1920	−44.5%
1924	−49.9%
1928	−27.8%
1932	+3.2%
1936	+18.5%
1940	+0.4%
1944	+4.8%
1948	−11.3%
1952	−19.5%
1956	−18.5%
1960	−5.6%
1964	+26.4%
1968	+2.7%
1972	−6.5%
1976	−2.5%
1980	−13.1%
1984	−11.4%
1988	+4.0%
1992	+20.6%
1996	+24.4%
2000	+25.8%
2004	+28.6%
2008	+40.4%
2012	+42.2%
2016	+51.2%
2020	+46.7%
2024	+39.0%

DemocraticRepublican

voter registration

Registered voters

By party of registration, over time

DemocraticRepublicanUnaffiliatedOther parties

Voter registration in San Jose-Sunnyvale-Santa Clara, CA
Year	Total registered	Democratic	Republican	Unaffiliated	Other
2022	1,043,021	532,188	175,027	287,367	48,439
2024	1,074,930	546,272	187,945	287,153	53,560

Source: California Secretary of State

Home to roughly 2 million residents, this metro posts among the nation's highest concentrations of science and engineering workers, a demographic that has shifted the area's margins leftward by double digits over the past two decades.

Across the recorded series it reached a Democratic high of 51.2 points in 2016 and a Republican high of 49.9 points in 1924. Between 2020 and 2024 the metro moved 7.7 points toward the Republican candidate; the 2024 margin was 39.0 points.

A population of 1,969,337, a 27% non-Hispanic-white share, and a median household income of $162,576 describe the metro. The metro's voting pattern over the last decade is most similar to that of San Francisco-Oakland-Fremont, CA and Washington-Arlington-Alexandria, DC-VA-MD-WV.

Political twins — metros

The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

San Francisco-Oakland-Fremont, CA

98.3twin score

2016–2020 trajectorymedian income% Asian

Washington-Arlington-Alexandria, DC-VA-MD-WV

94.8twin score

2016–2024 trajectorymedian income≠ % Black

Seattle-Tacoma-Bellevue, WA

93.9twin score

% Asian2016–2024 trajectory≠ % White

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

San Jose-Sunnyvale-Santa Clara, CA, California. Akashic. https://akashic.app/cbsa/41940/. Accessed May 20, 2026. License: CC BY 4.0.

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Places within San Jose-Sunnyvale-Santa Clara, CA

counties2

San Benito County Santa Clara County

Frequently asked questions

How did San Jose-Sunnyvale-Santa Clara, CA, California vote in 2024?

In 2024, San Jose-Sunnyvale-Santa Clara, CA, California voted Democratic by 39.0 points (D+39.0), carried by the Democratic candidate. Out of 778,082 votes cast, 525,923 went Democratic and 222,626 went Republican.

When did San Jose-Sunnyvale-Santa Clara, CA, California last vote Republican?

The most recent presidential election in which San Jose-Sunnyvale-Santa Clara, CA, California voted Republican was 1984.

How many people live in San Jose-Sunnyvale-Santa Clara, CA, California?

San Jose-Sunnyvale-Santa Clara, CA, California has a population of 1,969,337 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in San Jose-Sunnyvale-Santa Clara, CA, California?

Median household income in San Jose-Sunnyvale-Santa Clara, CA, California is $162,576 — above the national median of $80,734. The California state median is $99,122.

What is the political history of San Jose-Sunnyvale-Santa Clara, CA, California?

Akashic tracks 34 presidential elections in San Jose-Sunnyvale-Santa Clara, CA, California from 1892 to 2024. Of those, 16 went Democratic and 17 went Republican.