- Lead
- 11,466
- Total
- 82,075
- vs nation
- D+15.4
Massachusetts Norfolk and Plymouth District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 20,952
- Total
- 86,468
- vs nation
- D+19.8
- Lead
- 13,004
- Total
- 79,352
- vs nation
- D+14.3
- Lead
- 5,295
- Total
- 74,878
- vs nation
- D+3.2
- Lead
- 7,452
- Total
- 73,571
- vs nation
- D+2.9
- Lead
- 8,782
- Total
- 70,013
- vs nation
- D+15.0
- Lead
- 11,973
- Total
- 65,108
- vs nation
- D+17.9
- Lead
- 14,052
- Total
- 60,621
- vs nation
- D+14.7
Key facts
- 2024 presidential margin
- D+14.0MIT Election Lab
- Population
- 171,5332024 5-year
- Population density
- 2,718 / sq mi2024 5-year · TIGER/Line
- Land area
- 63.1 sq miTIGER/Line
- Median household income
- $107,1732024 5-year
- White (non-Hispanic)
- 64.9%2024 5-year
- Black
- 5.2%2024 5-year
- Hispanic / Latino
- 4.7%2024 5-year
- Peak Democratic margin
- D+40.3 in 1964MIT Election Lab
- Peak Republican margin
- R+63.1 in 1896MIT Election Lab
- Most similar
- Fifth Middlesex District, MA · twin score 90.3
presidential history
Party record book
Massachusetts Norfolk and Plymouth 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
70.0%
33,414 votes · D+40.3 · modeled estimate
Runner-up · Joe Biden, 2020 · 61.0%
Republican
William McKinley1896
78.2%
3,997 votes · R+63.1 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 76.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
52,732votes
61.0% of the vote · D+24.2 · modeled estimate
Runner-up · Kamala Harris, 2024 · 45,629 votes
Republican
Ronald Reagan1984
34,997votes
57.7% of the vote · R+15.6 · modeled estimate
Runner-up · Mitt Romney, 2012 · 34,444 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
George McGovern1972
+21.7pts D vs U.S.
Place R+1.5 · U.S. R+23.2 · modeled estimate
Runner-up · Joe Biden, 2020 · +19.8 pts
Republican
William McKinley1896
+57.1pts R vs U.S.
Place R+63.1 · U.S. R+6.1 · modeled estimate
Runner-up · Alf Landon, 1936 · +44.7 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 | 73.7%60,424 | 26.3%21,604 | 82,028 |
| 2020 | D | 80.2%63,853 | 19.8%15,762 | 79,615 |
Stretching across older South Shore suburbs south of Boston, Norfolk and Plymouth District combines commuter towns with coastal communities, producing consistent Democratic presidential margins in the low-to-mid teens over the past several cycles.
Across the recorded series it reached a Democratic high of 40.3 points in 1964 and a Republican high of 63.1 points in 1896. Between 2020 and 2024 the district moved 10.3 points toward the Republican candidate; the 2024 margin was 14.0 points.
A population of 171,533, a 65% non-Hispanic-white share, and a median household income of $107,173 describe the district. The district's voting pattern over the last decade is most similar to that of Fifth Middlesex District and First Middlesex 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 Norfolk and Plymouth District. Akashic. https://akashic.app/sld-upper/25D32/. Accessed May 20, 2026. License: CC BY 4.0.