- Lead
- 34,404
- Total
- 100,000
- vs nation
- D+35.9
Massachusetts Norfolk and Suffolk District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 44,425
- Total
- 106,055
- vs nation
- D+37.4
- Lead
- 33,664
- Total
- 98,867
- vs nation
- D+32.0
- Lead
- 21,746
- Total
- 91,518
- vs nation
- D+19.9
- Lead
- 21,707
- Total
- 88,756
- vs nation
- D+17.2
- Lead
- 20,181
- Total
- 82,685
- vs nation
- D+26.9
- Lead
- 20,505
- Total
- 76,960
- vs nation
- D+26.1
- Lead
- 21,366
- Total
- 71,963
- vs nation
- D+21.2
Key facts
- 2024 presidential margin
- D+34.4MIT Election Lab
- Population
- 180,6662024 5-year
- Population density
- 2,827 / sq mi2024 5-year · TIGER/Line
- Land area
- 63.9 sq miTIGER/Line
- Median household income
- $130,6652024 5-year
- White (non-Hispanic)
- 68.1%2024 5-year
- Black
- 10.4%2024 5-year
- Hispanic / Latino
- 11.1%2024 5-year
- Peak Democratic margin
- D+52.5 in 1964MIT Election Lab
- Peak Republican margin
- R+45.0 in 1896MIT Election Lab
- Most similar
- Middlesex and Norfolk District, MA · twin score 96.8
presidential history
Party record book
Massachusetts Norfolk and Suffolk 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
76.1%
58,858 votes · D+52.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 69.9%
Republican
William McKinley1896
68.9%
12,162 votes · R+45.0 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 68.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
74,082votes
69.9% of the vote · D+41.9 · modeled estimate
Runner-up · Kamala Harris, 2024 · 65,676 votes
Republican
Dwight D. Eisenhower1956
53,527votes
60.1% of the vote · R+20.4 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 51,434 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
+37.4pts D vs U.S.
Place D+41.9 · U.S. D+4.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · +35.9 pts
Republican
William McKinley1896
+39.0pts R vs U.S.
Place R+45.0 · U.S. R+6.1 · modeled estimate
Runner-up · Alf Landon, 1936 · +15.1 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 | 85.5%61,067 | 14.5%10,333 | 71,400 |
| 2020 | D | 88.7%65,262 | 11.3%8,343 | 73,605 |
With a 2024 presidential margin of D+34, Norfolk and Suffolk District ranks among the commonwealth's most lopsided legislative seats, reflecting its dense urban and inner-suburban electorate where Democratic candidates routinely run well ahead of statewide averages.
Across the recorded series it reached a Democratic high of 52.5 points in 1964 and a Republican high of 45.0 points in 1896. Between 2020 and 2024 the district moved 7.5 points toward the Republican candidate; the 2024 margin was 34.4 points.
A population of 180,666, a 68% non-Hispanic-white share, and a median household income of $130,665 describe the district. The district's voting pattern over the last decade is most similar to that of Middlesex and Norfolk District and Middlesex and Worcester 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 Suffolk District. Akashic. https://akashic.app/sld-upper/25D18/. Accessed May 20, 2026. License: CC BY 4.0.