- Lead
- 12,648
- Total
- 120,384
- vs nation
- D+12.0
Massachusetts Plymouth and Barnstable District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 19,421
- Total
- 117,793
- vs nation
- D+12.0
- Lead
- 5,537
- Total
- 106,115
- vs nation
- D+3.1
- Lead
- 301
- Total
- 99,861
- vs nation
- R+3.6
- Lead
- 5,430
- Total
- 99,003
- vs nation
- R+1.8
- Lead
- 3,800
- Total
- 95,730
- vs nation
- D+6.4
- Lead
- 6,802
- Total
- 87,008
- vs nation
- D+7.3
- Lead
- 11,526
- Total
- 79,445
- vs nation
- D+6.0
Key facts
- 2024 presidential margin
- D+10.5MIT Election Lab
- Population
- 183,6662024 5-year
- Population density
- 607 / sq mi2024 5-year · TIGER/Line
- Land area
- 303 sq miTIGER/Line
- Median household income
- $111,3042024 5-year
- White (non-Hispanic)
- 88.7%2024 5-year
- Black
- 1.5%2024 5-year
- Hispanic / Latino
- 2.5%2024 5-year
- Peak Democratic margin
- D+22.7 in 1964MIT Election Lab
- Peak Republican margin
- R+71.4 in 1896MIT Election Lab
- Most similar
- First Plymouth and Norfolk District, MA · twin score 92.9
presidential history
Party record book
Massachusetts Plymouth and Barnstable 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
Lyndon B. Johnson1964
61.2%
22,173 votes · D+22.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 57.1%
Republican
William McKinley1896
82.2%
4,548 votes · R+71.4 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 77.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
67,272votes
57.1% of the vote · D+16.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 65,317 votes
Republican
Donald Trump2024
52,669votes
43.8% of the vote · D+10.5 · modeled estimate
Runner-up · Mitt Romney, 2012 · 49,248 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
Joe Biden2020
+12.0pts D vs U.S.
Place D+16.5 · U.S. D+4.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · +12.0 pts
Republican
William McKinley1896
+65.3pts R vs U.S.
Place R+71.4 · U.S. R+6.1 · modeled estimate
Runner-up · Alf Landon, 1936 · +51.6 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 59.4%63,313 | 40.6%43,351 | 106,664 |
| 2020 | D | 68.4%68,554 | 31.6%31,727 | 100,281 |
Stretching across the Upper Cape and parts of Plymouth County, this district mixes year-round working-class towns with affluent coastal communities, producing a Democratic lean that narrows in lower-turnout off-cycle elections.
Across the recorded series it reached a Democratic high of 22.7 points in 1964 and a Republican high of 71.4 points in 1896. Between 2020 and 2024 the district moved 6.0 points toward the Republican candidate; the 2024 margin was 10.5 points.
A population of 183,666, a 89% non-Hispanic-white share, and a median household income of $111,304 describe the district. The district's voting pattern over the last decade is most similar to that of First Plymouth and Norfolk District and Cape and Islands District.
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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Massachusetts Plymouth and Barnstable District. Akashic. https://akashic.app/sld-upper/25D39/. Accessed May 20, 2026. License: CC BY 4.0.