- Lead
- 8,654
- Total
- 12,919
- vs nation
- D+68.5
Massachusetts 127th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 12,799
- Total
- 15,828
- vs nation
- D+76.4
- Lead
- 14,069
- Total
- 15,939
- vs nation
- D+86.2
- Lead
- 12,387
- Total
- 13,992
- vs nation
- D+84.7
- Lead
- 11,706
- Total
- 13,228
- vs nation
- D+81.2
- Lead
- 10,258
- Total
- 11,683
- vs nation
- D+90.3
- Lead
- 8,664
- Total
- 10,329
- vs nation
- D+83.4
- Lead
- 8,160
- Total
- 9,667
- vs nation
- D+75.9
Key facts
- 2024 presidential margin
- D+67.0MIT Election Lab
- Population
- 45,9832024 5-year
- Population density
- 17,686 / sq mi2024 5-year · TIGER/Line
- Land area
- 2.6 sq miTIGER/Line
- Median household income
- $56,3192024 5-year
- White (non-Hispanic)
- 6.2%2024 5-year
- Black
- 42.1%2024 5-year
- Hispanic / Latino
- 29.9%2024 5-year
- Peak Democratic margin
- D+93.0 in 1964MIT Election Lab
- Most similar
- 6th Suffolk District, MA · twin score 98.8
presidential history
Party record book
Massachusetts 127th State House 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
96.5%
15,400 votes · D+93.0 · modeled estimate
Runner-up · Barack Obama, 2012 · 93.9%
Republican
William McKinley1896
25.1%
664 votes · D+39.2 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 23.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Harry S. Truman1948
15,908votes
90.1% of the vote · D+82.5 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 15,400 votes
Republican
Dwight D. Eisenhower1956
2,100votes
15.5% of the vote · D+68.9 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 2,059 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
+103.1pts D vs U.S.
Place D+80.0 · U.S. R+23.2 · modeled estimate
Runner-up · Al Smith, 1928 · +97.9 pts
Republican
William H. Taft1912
−42.5pts R vs U.S.
Place D+62.1 · U.S. D+19.5 · modeled estimate
Runner-up · William McKinley, 1896 · −45.3 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 |
|---|---|---|---|---|
| 2020 | D | 96.7%15,374 | 3.3%522 | 15,896 |
The 5th Suffolk District delivered a 67.0-point Democratic presidential margin in 2024, reflecting a dense urban electorate in Greater Boston where competitive general elections are effectively nonexistent.
Across the recorded series it reached a Democratic high of 93.0 points in 1964. Between 2020 and 2024 the district moved 13.9 points toward the Republican candidate; the 2024 margin was 67.0 points.
A population of 45,983, a 6% non-Hispanic-white share, and a median household income of $56,319 describe the district. The district's voting pattern over the last decade is most similar to that of 6th Suffolk District and Assembly District 89.
The state-house 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 127th State House District. Akashic. https://akashic.app/sld-lower/25127/. Accessed May 20, 2026. License: CC BY 4.0.