HarrisDemocratic79.4%2,449TrumpRepublican17.8%548OtherAll other candidates2.8%87
D+61.6- Lead
- 1,901
- Total
- 3,084
- vs nation
- D+63.1
- Turnout
- —
Akashiccity
Portola Valley, CA
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic80.3%2,628TrumpRepublican17.2%563OtherAll other candidates2.4%80
D+63.1- Lead
- 2,065
- Total
- 3,271
- vs nation
- D+58.7
- Turnout
- —
ClintonDemocratic76.5%2,187TrumpRepublican17.3%493OtherAll other candidates6.2%177
D+59.3- Lead
- 1,694
- Total
- 2,857
- vs nation
- D+57.2
- Turnout
- —
ObamaDemocratic64.4%1,869RomneyRepublican33.2%965OtherAll other candidates2.4%70
D+31.1- Lead
- 904
- Total
- 2,904
- vs nation
- D+27.3
- Turnout
- —
ObamaDemocratic69.7%1,970McCainRepublican30.0%849OtherAll other candidates0.2%7
D+39.7- Lead
- 1,121
- Total
- 2,826
- vs nation
- D+32.4
- Turnout
- —
KerryDemocratic65.6%1,903BushRepublican33.4%970OtherAll other candidates1.0%28
D+32.2- Lead
- 933
- Total
- 2,901
- vs nation
- D+34.6
- Turnout
- —
Key facts
- 2024 presidential margin
- D+61.6MIT Election Lab
- Population
- 4,3052024 5-year
- Median household income
- $250,0012024 5-year
- White (non-Hispanic)
- 75.5%2024 5-year
- Black
- 0.2%2024 5-year
- Hispanic / Latino
- 9.5%2024 5-year
- Peak Democratic margin
- D+63.1 in 2020MIT Election Lab
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +32.2% |
| 2008 | +39.7% |
| 2012 | +31.1% |
| 2016 | +59.3% |
| 2020 | +63.1% |
| 2024 | +61.6% |
DemocraticRepublican
6 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 79.4%Harris2,449 | 17.8%Trump548 | 2.8% | D+61.6 | R+1.5 | D+63.1 | 3,084 | |
| D | 80.3%Biden2,628 | 17.2%Trump563 | 2.4% | D+63.1 | D+3.8 | D+58.7 | 3,271 | |
| D | 76.5%Clinton2,187 | 17.3%Trump493 | 6.2% | D+59.3 | D+28.2 | D+57.2 | 2,857 | |
| D | 64.4%Obama1,869 | 33.2%Romney965 | 2.4% | D+31.1 | R+8.5 | D+27.3 | 2,904 | |
| D | 69.7%Obama1,970 | 30.0%McCain849 | 0.2% | D+39.7 | — | D+32.4 | 2,826 | |
| D | 65.6%Kerry1,903 | 33.4%Bush970 | 1.0% | D+32.2 | — | D+34.6 | 2,901 |
Federal and statewide elections · 2 House
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 100.0%2,782 | 0.0%0 | 2,782 |
| 2020 | D | 100.0%3,032 | 0.0%0 | 3,032 |
Nestled in the Santa Cruz Mountains foothills, Portola Valley consistently posts among the highest household incomes in San Mateo County, and its land-use politics tend to center on hillside preservation and development limits rather than partisan divides.
Across the recorded series it reached a Democratic high of 63.1 points in 2020. Between 2020 and 2024 the city moved 1.5 points toward the Republican candidate; the 2024 margin was 61.6 points.
A population of 4,305, a 76% non-Hispanic-white share, and a median household income of $250,001 describe the city.
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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.
Portola Valley, California. Akashic. https://akashic.app/city/0658380/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
California at the ballot boxAll elections →
Frequently asked questions
How did Portola Valley, California vote in 2024?
In 2024, Portola Valley, California voted Democratic by 61.6 points (D+61.6), carried by the Democratic candidate. Out of 3,084 votes cast, 2,449 went Democratic and 548 went Republican.
How many people live in Portola Valley, California?
Portola Valley, California has a population of 4,305 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Portola Valley, California?
Median household income in Portola Valley, California is $250,001 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Portola Valley, California?
Akashic tracks 6 presidential elections in Portola Valley, California from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.