Religious adherence is published only at the county level (U.S. Religion Census). See Santa Clara County.
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.
California 15th State Senate District
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California 15th State Senate DistrictHarrisD+35.0
20082024
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic
65.7%
262,045
Donald TrumpRepublican
30.7%
122,468
Robert F. Kennedy Jr.American Independent
3.6%
14,289
D+60R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 1 county it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (1 county) — table
2024 presidential result by county for California 15th State Senate District — winner and D-vs-R margin.
County
Winner
Margin
Santa Clara County, CA
Democratic
D+39.9
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5 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
D
65.7%Harris262,045
30.7%Trump122,468
3.6%Kennedy14,289
+35.0%
398,802
D
70.6%Biden321,686
27.3%Trump124,177
2.1%Jorgensen9,738
+43.4%
455,601
D
71.9%Clinton263,826
22.2%Trump81,393
5.9%Johnson21,530
+49.7%
366,749
D
71.7%Obama235,368
28.3%Romney93,045
0.0%
+43.3%
328,413
D
69.4%Obama231,731
30.3%McCain101,119
0.3%Nader1,019
+39.1%
333,869
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presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2008
+39.1%
2012
+43.3%
2016
+49.7%
2020
+43.4%
2024
+35.0%
DemocraticRepublican
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current representation
Current officeholders
DDave CorteseState Senate · 15
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of R+16.4, this Inland or Central Valley district bucks the statewide Democratic lean, making it a reliable bellwether for Republican performance in California's competitive down-ballot races.
Across the recorded series it reached a Democratic high of 49.7 points in 2016. Between 2020 and 2024 the district moved 8.4 points toward the Republican candidate; the 2024 margin was 35.0 points.
A population of 1,029,598, a 31% non-Hispanic-white share, and a median household income of $142,086 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 10 and State Senate District 9.
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Political twins — state-senate districts
The state-senate districts 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.
California 15th State Senate District. Akashic. https://akashic.app/sld-upper/06015/. Accessed May 20, 2026. License: CC BY 4.0.
How did California 15th State Senate District vote in 2024?
In 2024, California 15th State Senate District voted Democratic by 35.0 points (D+35.0), carried by the Democratic candidate. Out of 398,802 votes cast, 262,045 went Democratic and 122,468 went Republican.
How many people live in California 15th State Senate District?
California 15th State Senate District has a population of 1,029,598 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in California 15th State Senate District?
Median household income in California 15th State Senate District is $142,086 — above the national median of $80,734. The California state median is $99,122.
What is the political history of California 15th State Senate District?
Akashic tracks 5 presidential elections in California 15th State Senate District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.
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