HarrisDemocratic73.9%4,815TrumpRepublican23.2%1,510OtherAll other candidates3.0%193
D+50.7- Lead
- 3,305
- Total
- 6,518
- vs nation
- D+52.2
- Turnout
- —
Akashiccity
Half Moon Bay, 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
BidenDemocratic75.8%5,383TrumpRepublican21.9%1,556OtherAll other candidates2.3%162
D+53.9- Lead
- 3,827
- Total
- 7,101
- vs nation
- D+49.4
- Turnout
- —
ClintonDemocratic72.4%4,273TrumpRepublican21.4%1,263OtherAll other candidates6.2%369
D+51.0- Lead
- 3,010
- Total
- 5,905
- vs nation
- D+48.9
- Turnout
- —
ObamaDemocratic68.5%3,652RomneyRepublican29.1%1,552OtherAll other candidates2.4%128
D+39.4- Lead
- 2,100
- Total
- 5,332
- vs nation
- D+35.5
- Turnout
- —
ObamaDemocratic70.5%3,903McCainRepublican29.1%1,609OtherAll other candidates0.5%25
D+41.4- Lead
- 2,294
- Total
- 5,537
- vs nation
- D+34.2
- Turnout
- —
KerryDemocratic66.1%3,773BushRepublican32.2%1,836OtherAll other candidates1.8%101
D+33.9- Lead
- 1,937
- Total
- 5,710
- vs nation
- D+36.4
- Turnout
- —
Key facts
- 2024 presidential margin
- D+50.7MIT Election Lab
- Population
- 11,3912024 5-year
- Median household income
- $157,8842024 5-year
- White (non-Hispanic)
- 60.7%2024 5-year
- Black
- 0.4%2024 5-year
- Hispanic / Latino
- 29.3%2024 5-year
- Peak Democratic margin
- D+53.9 in 2020MIT Election Lab
- Most similar
- Lucas Valley-Marinwood, CA · twin score 95.5
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +33.9% |
| 2008 | +41.4% |
| 2012 | +39.4% |
| 2016 | +51.0% |
| 2020 | +53.9% |
| 2024 | +50.7% |
DemocraticRepublican
6 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 73.9%Harris4,815 | 23.2%Trump1,510 | 3.0% | D+50.7 | R+3.2 | D+52.2 | 6,518 | |
| D | 75.8%Biden5,383 | 21.9%Trump1,556 | 2.3% | D+53.9 | D+2.9 | D+49.4 | 7,101 | |
| D | 72.4%Clinton4,273 | 21.4%Trump1,263 | 6.2% | D+51.0 | D+11.6 | D+48.9 | 5,905 | |
| D | 68.5%Obama3,652 | 29.1%Romney1,552 | 2.4% | D+39.4 | R+2.0 | D+35.5 | 5,332 | |
| D | 70.5%Obama3,903 | 29.1%McCain1,609 | 0.5% | D+41.4 | — | D+34.2 | 5,537 | |
| D | 66.1%Kerry3,773 | 32.2%Bush1,836 | 1.8% | D+33.9 | — | D+36.4 | 5,710 |
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%5,666 | 0.0%0 | 5,666 |
| 2020 | D | 77.1%5,394 | 22.9%1,604 | 6,998 |
Half Moon Bay sits at the edge of San Mateo County's coastside, where a mix of farmworker households and high-income transplants from the Bay Area creates an electorate that trends Democratic but with notable economic fault lines.
Across the recorded series it reached a Democratic high of 53.9 points in 2020. Between 2020 and 2024 the city moved 3.2 points toward the Republican candidate; the 2024 margin was 50.7 points.
A population of 11,391, a 61% non-Hispanic-white share, and a median household income of $157,884 describe the city. The city's voting pattern over the last decade is most similar to that of Lucas Valley-Marinwood and San Anselmo.
Political twins — cities
The cities whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Lucas Valley-Marinwood
California
95.5twin score
2008–2024 trajectory≠ median income
San Anselmo
California
94.9twin score
2016–2024 trajectorymedian income≠ English ancestry
Strawberry
California
94.8twin score
2016–2024 trajectorymedian income≠ Polish ancestry
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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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.
Half Moon Bay, California. Akashic. https://akashic.app/city/0631708/. 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 Half Moon Bay, California vote in 2024?
In 2024, Half Moon Bay, California voted Democratic by 50.7 points (D+50.7), carried by the Democratic candidate. Out of 6,518 votes cast, 4,815 went Democratic and 1,510 went Republican.
How many people live in Half Moon Bay, California?
Half Moon Bay, California has a population of 11,391 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Half Moon Bay, California?
Median household income in Half Moon Bay, California is $157,884 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Half Moon Bay, California?
Akashic tracks 6 presidential elections in Half Moon Bay, California from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.