- Lead
- 89,071
- Total
- 433,535
- vs nation
- D+22.0
Massachusetts 6th Congressional District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 124,243
- Total
- 452,266
- vs nation
- D+23.0
- Lead
- 74,641
- Total
- 418,622
- vs nation
- D+15.7
- Lead
- 38,581
- Total
- 390,596
- vs nation
- D+6.0
- Lead
- 52,699
- Total
- 378,589
- vs nation
- D+6.6
- Lead
- 41,867
- Total
- 357,820
- vs nation
- D+14.2
- Lead
- 53,729
- Total
- 334,420
- vs nation
- D+15.5
- Lead
- 69,870
- Total
- 314,324
- vs nation
- D+13.7
Key facts
- 2024 presidential margin
- D+20.5MIT Election Lab
- Population
- 778,8672024 5-year
- Population density
- 1,462 / sq mi2024 5-year · TIGER/Line
- Land area
- 533 sq miTIGER/Line
- Median household income
- $118,4762024 5-year
- White (non-Hispanic)
- 76.6%2024 5-year
- Black
- 3.2%2024 5-year
- Hispanic / Latino
- 10.9%2024 5-year
- Peak Democratic margin
- D+42.6 in 1964MIT Election Lab
- Peak Republican margin
- R+53.5 in 1920MIT Election Lab
- Most similar
- Congressional District 4, MA · twin score 94.1
presidential history
Party record book
Massachusetts 6th Congressional 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
71.1%
209,947 votes · D+42.6 · modeled estimate
Runner-up · Joe Biden, 2020 · 62.6%
Republican
Warren G. Harding1920
74.5%
107,430 votes · R+53.5 · modeled estimate
Runner-up · William McKinley, 1896 · 71.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
283,235votes
62.6% of the vote · D+27.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 255,710 votes
Republican
Dwight D. Eisenhower1956
201,029votes
64.8% of the vote · R+29.9 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 193,273 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
+23.0pts D vs U.S.
Place D+27.5 · U.S. D+4.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · +22.0 pts
Republican
William McKinley1896
+46.1pts R vs U.S.
Place R+52.2 · U.S. R+6.1 · modeled estimate
Runner-up · Alf Landon, 1936 · +30.4 pts
Current officeholders
Federal officeholders only. State and local officeholders are planned for the next data pass.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
Stretching along the North Shore from Lynn through Gloucester and into the Merrimack Valley, MA-06 blends working-class port communities with affluent seaside towns, producing a presidential margin that has held above D+15 in recent cycles.
Across the recorded series it reached a Democratic high of 42.6 points in 1964 and a Republican high of 53.5 points in 1920. Between 2020 and 2024 the district moved 6.9 points toward the Republican candidate; the 2024 margin was 20.5 points.
A population of 778,867, a 77% non-Hispanic-white share, and a median household income of $118,476 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 4 and Congressional District 8.
The congressional 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 6th Congressional District. Akashic. https://akashic.app/cd/2506/. Accessed May 20, 2026. License: CC BY 4.0.