HarrisDemocratic56.2%1,531TrumpRepublican40.8%1,111OtherAll other candidates3.1%84
D+15.4- Lead
- 420
- Total
- 2,726
- vs nation
- D+16.9
- Turnout
- —
Akashiccity
South Dennis, MA
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
BidenDemocratic60.2%1,678TrumpRepublican37.5%1,047OtherAll other candidates2.3%64
D+22.6- Lead
- 631
- Total
- 2,789
- vs nation
- D+18.2
- Turnout
- —
ClintonDemocratic54.9%1,347TrumpRepublican38.2%936OtherAll other candidates6.9%169
D+16.8- Lead
- 411
- Total
- 2,452
- vs nation
- D+14.7
- Turnout
- —
ObamaDemocratic53.7%1,243RomneyRepublican44.9%1,039OtherAll other candidates1.4%32
D+8.8- Lead
- 204
- Total
- 2,314
- vs nation
- D+5.0
- Turnout
- —
ObamaDemocratic57.1%1,404McCainRepublican41.3%1,016OtherAll other candidates1.5%38
D+15.8- Lead
- 388
- Total
- 2,458
- vs nation
- D+8.5
- Turnout
- —
KerryDemocratic55.6%1,371BushRepublican43.0%1,060OtherAll other candidates1.4%34
D+12.6- Lead
- 311
- Total
- 2,465
- vs nation
- D+15.1
- Turnout
- —
Key facts
- 2024 presidential margin
- D+15.4MIT Election Lab
- Population
- 3,1352024 5-year
- Median household income
- $88,4112024 5-year
- White (non-Hispanic)
- 91.2%2024 5-year
- Black
- 4.0%2024 5-year
- Hispanic / Latino
- 0.7%2024 5-year
- Peak Democratic margin
- D+22.6 in 2020MIT Election Lab
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +12.6% |
| 2008 | +15.8% |
| 2012 | +8.8% |
| 2016 | +16.8% |
| 2020 | +22.6% |
| 2024 | +15.4% |
DemocraticRepublican
6 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 56.2%Harris1,531 | 40.8%Trump1,111 | 3.1% | D+15.4 | R+7.2 | D+16.9 | 2,726 | |
| D | 60.2%Biden1,678 | 37.5%Trump1,047 | 2.3% | D+22.6 | D+5.9 | D+18.2 | 2,789 | |
| D | 54.9%Clinton1,347 | 38.2%Trump936 | 6.9% | D+16.8 | D+7.9 | D+14.7 | 2,452 | |
| D | 53.7%Obama1,243 | 44.9%Romney1,039 | 1.4% | D+8.8 | R+7.0 | D+5.0 | 2,314 | |
| D | 57.1%Obama1,404 | 41.3%McCain1,016 | 1.5% | D+15.8 | — | D+8.5 | 2,458 | |
| D | 55.6%Kerry1,371 | 43.0%Bush1,060 | 1.4% | D+12.6 | — | D+15.1 | 2,465 |
Federal and statewide elections · 2 House · 1 Senate
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 | 58.9%1,559 | 41.1%1,090 | 2,649 |
| 2020 | D | 66.7%1,758 | 33.3%878 | 2,636 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2020 | D | 60.9%1,664 | 39.1%1,068 | 2,732 |
South Dennis sits in New England. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 22.6 points in 2020. Between 2020 and 2024 the city moved 7.2 points toward the Republican candidate; the 2024 margin was 15.4 points.
A population of 3,135, a 91% non-Hispanic-white share, and a median household income of $88,411 describe the city.
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.
South Dennis, Massachusetts. Akashic. https://akashic.app/city/2563655/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Massachusetts at the ballot boxAll elections →
Frequently asked questions
How did South Dennis, Massachusetts vote in 2024?
In 2024, South Dennis, Massachusetts voted Democratic by 15.4 points (D+15.4), carried by the Democratic candidate. Out of 2,726 votes cast, 1,531 went Democratic and 1,111 went Republican.
How many people live in South Dennis, Massachusetts?
South Dennis, Massachusetts has a population of 3,135 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in South Dennis, Massachusetts?
Median household income in South Dennis, Massachusetts is $88,411 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of South Dennis, Massachusetts?
Akashic tracks 6 presidential elections in South Dennis, Massachusetts from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.