Massachusetts Cape and Islands District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Joe Biden2020
64.9%
72,767 votes · D+31.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 62.5%
Republican
Calvin Coolidge1924
84.4%
6,196 votes · R+73.3 · modeled estimate
Runner-up · William McKinley, 1896 · 83.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
72,767votes
64.9% of the vote · D+31.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 68,902 votes
Republican
Mitt Romney2012
40,708votes
41.4% of the vote · D+15.6 · modeled estimate
Runner-up · George W. Bush, 2004 · 39,322 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Kamala Harris2024
+29.0pts D vs U.S.
Place D+27.5 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +27.4 pts
Republican
William McKinley1896
+69.1pts R vs U.S.
Place R+75.2 · U.S. R+6.1 · modeled estimate
Runner-up · Alf Landon, 1936 · +58.8 pts
current representation
Current officeholders
DJulian CyrState Senate · Cape and Islands
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
D
63.0%66,776
37.0%39,182
105,958
2020
D
67.5%71,003
32.5%34,203
105,206
Covering Cape Cod, Martha's Vineyard, and Nantucket, this district combines a heavily seasonal population with a year-round base that skews older and white — and has backed Democratic presidential candidates by wide margins for decades.
Across the recorded series it reached a Democratic high of 31.8 points in 2020 and a Republican high of 75.2 points in 1896. Between 2020 and 2024 the district moved 4.3 points toward the Republican candidate; the 2024 margin was 27.5 points.
A population of 174,352, a 82% non-Hispanic-white share, and a median household income of $96,774 describe the district. The district's voting pattern over the last decade is most similar to that of Plymouth and Barnstable District and State Senate District 24.
Akashic
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 → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Massachusetts Cape and Islands District. Akashic. https://akashic.app/sld-upper/25D40/. Accessed May 20, 2026. License: CC BY 4.0.
How did Massachusetts Cape and Islands District vote in 2024?
In 2024, Massachusetts Cape and Islands District voted Democratic by 27.5 points (D+27.5), carried by the Democratic candidate. Out of 110,207 votes cast, 68,902 went Democratic and 38,588 went Republican.
When did Massachusetts Cape and Islands District last vote Republican?
The most recent presidential election in which Massachusetts Cape and Islands District voted Republican was 1984.
How many people live in Massachusetts Cape and Islands District?
Massachusetts Cape and Islands District has a population of 174,352 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Massachusetts Cape and Islands District?
Median household income in Massachusetts Cape and Islands District is $96,774 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Massachusetts Cape and Islands District?
Akashic tracks 38 presidential elections in Massachusetts Cape and Islands District from 1876 to 2024. Of those, 11 went Democratic and 26 went Republican.