† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
2 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupSan Jose-Sunnyvale-Santa Clara, CACaliforniaUnited States
Chinese11.0%3.9%1.3%
Asian Indian10.2%2.3%1.4%
Vietnamese7.1%1.7%0.6%
Filipino4.2%3.3%0.9%
Korean1.8%1.2%0.4%
Japanese1.2%0.6%0.2%
Taiwanese1.1%0.3%—
Pakistani0.3%——
German5.5%6.8%12.5%
English5.1%6.3%9.5%
Irish4.6%5.9%9.4%
Italian3.4%3.4%4.8%
American1.7%2.8%5.3%
French1.2%1.3%1.6%
Portuguese1.1%——
Iranian1.1%——
Mexican21.1%32.3%11.3%
Salvadoran0.8%2.0%0.7%
Spaniard0.6%0.3%—
Colombian0.6%0.3%0.4%
Puerto Rican0.4%0.6%1.8%
Spanish0.4%0.3%—
Guatemalan0.4%1.3%0.5%
Nicaraguan0.3%0.3%—
African American†1.5%4.4%9.9%
African0.2%0.3%0.5%
Ethiopian0.2%——
Aztec0.3%0.3%—
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
San Jose-Sunnyvale-Santa Clara, CA
California
United States
Median age
38
37.9
39.1
Age 18–24
8.7%
9.1%
9.2%
Age 65 and older
14.9%
15.6%
17.2%
Household economy
Measure
San Jose-Sunnyvale-Santa Clara, CA
California
United States
Median household income
$162,576
$99,122
$84,427
Poverty rate
7.1%
12.0%
12.5%
Bachelor's degree or higher (25+)
55.4%
36.6%
35.6%
Languages at home
Measure
San Jose-Sunnyvale-Santa Clara, CA
California
United States
Speaks a non-English language at home
54.8%
44.4%
22.3%
Spanish
17.9%
28.4%
13.6%
Other Indo-European
7.6%
3.4%
2.0%
Chinese (incl. Mandarin & Cantonese)
10.2%
3.5%
1.1%
Vietnamese
6.4%
1.5%
0.5%
Religious landscape
Measure
San Jose-Sunnyvale-Santa Clara, CA
California
United States
Catholic
27.3%
26.2%
18.6%
Evangelical Protestant
8.4%
9.0%
16.5%
Unclaimed / not counted
53.5%
55.2%
51.5%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
San Jose-Sunnyvale-Santa Clara, CA
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
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
D
67.6%Harris525,923
28.6%Trump222,626
1.6%Stein12,313 +4
D+39.0
R+7.7
D+40.5
778,082
All 7 candidates in 2024 · 5 minor / independent
Kamala D HarrisDemocratic67.6%525,923
Donald J TrumpRepublican28.6%222,626
Jill SteinIndependent1.6%12,313
Robert F Kennedy Jr.Independent1.2%9,647
Chase OliverLibertarian0.5%4,179
Claudia De La CruzIndependent0.4%3,374
OtherAll other candidates0.0%20
D
72.3%Biden635,595
25.6%Trump225,202
2.1%
D+46.7
R+4.5
D+42.2
879,571
D
72.2%Clinton524,205
21.0%Trump152,667
6.7%
D+51.2
D+9.0
D+49.1
725,831
D
69.7%Obama462,094
27.5%Romney182,186
2.9%
D+42.2
D+1.8
D+38.3
663,358
D
69.2%Obama474,158
28.8%McCain197,464
2.0%
D+40.4
D+11.8
D+33.1
685,377
D
63.6%Kerry395,951
35.0%Bush217,792
1.4%
D+28.6
D+2.8
D+31.1
622,541
D
60.5%Gore341,621
34.7%Bush195,765
4.9%
D+25.8
D+1.4
D+25.3
564,960
D
56.7%Clinton304,669
32.3%Dole173,675
11.0%
D+24.4
D+3.8
D+15.9
537,197
D
49.1%Clinton301,619
28.5%Bush174,982
22.5%
D+20.6
D+16.5
D+15.0
614,794
D
51.2%Dukakis282,369
47.1%Bush260,020
1.7%
D+4.0
D+15.4
D+11.8
551,836
R
43.5%Mondale233,419
54.9%Reagan294,333
1.5%
R+11.4
D+1.7
D+6.9
536,019
R
35.0%Carter169,744
48.1%Reagan233,102
16.9%
R+13.1
R+10.5
R+3.3
484,605
R
46.9%Carter211,145
49.5%Ford222,586
3.6%
R+2.5
D+4.0
R+4.6
449,818
R
45.5%McGovern211,088
52.0%Nixon241,295
2.5%
R+6.5
R+9.2
D+16.6
464,174
D
48.4%Humphrey176,320
45.6%Nixon166,407
6.0%
D+2.7
R+23.6
D+3.4
364,596
D
63.1%Johnson206,028
36.7%Goldwater119,864
0.3%
D+26.4
D+31.9
D+3.8
326,764
R
47.1%Kennedy120,543
52.6%Nixon134,791
0.3%
R+5.6
D+13.0
R+5.7
256,037
R
40.6%Stevenson74,729
59.1%Eisenhower108,909
0.3%
R+18.5
D+0.9
R+3.1
184,281
R
40.0%Stevenson61,241
59.4%Eisenhower91,057
0.6%
R+19.5
R+8.2
R+8.7
153,222
R
42.1%Truman44,001
53.4%Dewey55,757
4.5%
R+11.3
R+16.0
R+15.7
104,489
D
52.1%Roosevelt45,867
47.3%Dewey41,662
0.6%
D+4.8
D+4.3
R+2.7
88,044
D
49.7%Roosevelt42,890
49.2%Willkie42,507
1.1%
D+0.4
R+18.1
R+9.5
86,379
D
58.7%Roosevelt40,911
40.2%Landon28,013
1.1%
D+18.5
D+15.3
R+5.8
69,718
D
49.9%Roosevelt30,555
46.7%Hoover28,622
3.4%
D+3.2
D+30.9
R+14.6
61,275
R
35.7%Smith18,955
63.5%Hoover33,681
0.8%
R+27.8
D+22.1
R+10.3
53,042
R
7.8%Davis2,921
57.7%Coolidge21,499
34.5%
R+49.9
R+5.3
R+24.7
37,263
R
23.3%Cox7,385
67.8%Harding21,530
8.9%
R+44.5
R+38.5
R+18.4
31,755
R
44.2%Wilson15,873
50.2%Hughes18,032
5.7%
R+6.0
R+46.6
R+9.2
35,940
O
40.5%Wilson10,426
0.0%Taft0
59.5%
Roosevelt +18.9
D+69.2
D+21.0
25,712
R
29.6%Bryan4,520
58.3%Taft8,887
12.1%
R+28.6
D+9.7
R+19.1
15,251
R
26.5%Parker3,745
64.8%Roosevelt9,162
8.8%
R+38.3
R+20.6
R+18.6
14,146
R
39.2%Bryan5,393
57.0%McKinley7,831
3.8%
R+17.7
R+11.1
R+10.2
13,750
R
45.5%Bryan6,147
52.1%McKinley7,044
2.4%
R+6.6
R+4.1
R+0.6
13,517
R
40.9%Cleveland4,926
43.4%Harrison5,236
15.7%
R+2.6
—
R+4.2
12,053
Congressional elections · 3 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2024
D
68.5%513,776
31.5%236,628
750,404
2022
D
70.9%394,168
29.1%161,617
555,785
2018
D
100.0%586,486
0.0%0
586,486
voter registration
Registered voters
By party of registration, over time
Party registration · 2024D+33.3
vs
Presidential vote · 2024D+39.0
Registration leans Democratic; the presidential vote runs 5.6 points more Republican.
1,074,930 registered voters · 2024 · up from 1,043,021 in 2022
Domestic migration in San Jose-Sunnyvale-Santa Clara, CA in San Jose-Sunnyvale-Santa Clara, CA: net domestic migration by year
Year
Net domestic migration
2011
−2,966
2012
−1,341
2013
−1,886
2014
−7,403
2015
−11,301
2016
−20,449
2017
−25,698
2018
−23,656
2019
−27,495
2021
−56,825
2022
−36,780
2023
−30,248
2024
−22,116
2025
−19,095
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.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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.
License: CC BY 4.0
Embed this page
A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →
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.
