Massachusetts Suffolk and Middlesex 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
86.7%
53,924 votes · D+73.8 · modeled estimate
Runner-up · Joe Biden, 2020 · 82.2%
Republican
William McKinley1896
53.6%
6,426 votes · R+19.3 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 52.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
64,397votes
82.2% of the vote · D+66.9 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 57,344 votes
Republican
Dwight D. Eisenhower1956
25,415votes
42.8% of the vote · D+13.9 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 24,392 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
Kamala Harris2024
+63.2pts D vs U.S.
Place D+61.8 · U.S. R+1.5 · modeled estimate
Runner-up · George McGovern, 1972 · +63.0 pts
Republican
William McKinley1896
+13.2pts R vs U.S.
Place R+19.3 · U.S. R+6.1 · modeled estimate
Runner-up · William H. Taft, 1912 · −6.2 pts
current representation
Current officeholders
DWill BrownsbergerState Senate · Suffolk and Middlesex
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
D
96.1%61,239
3.9%2,512
63,751
2020
D
88.7%65,200
11.3%8,289
73,489
Spanning dense urban neighborhoods across Boston and Cambridge, this district recorded a 61.8-point Democratic presidential margin in 2024, reflecting a highly educated, majority-renter electorate concentrated in some of the state's most transit-rich zip codes.
Across the recorded series it reached a Democratic high of 73.8 points in 1964 and a Republican high of 19.3 points in 1896. Between 2020 and 2024 the district moved 5.1 points toward the Republican candidate; the 2024 margin was 61.8 points.
A population of 183,947, a 64% non-Hispanic-white share, and a median household income of $106,831 describe the district. The district's voting pattern over the last decade is most similar to that of Second Middlesex District and First Suffolk District.
Akashic
Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Massachusetts Suffolk and Middlesex District. Akashic. https://akashic.app/sld-upper/25D28/. Accessed May 20, 2026. License: CC BY 4.0.
How did Massachusetts Suffolk and Middlesex District vote in 2024?
In 2024, Massachusetts Suffolk and Middlesex District voted Democratic by 61.8 points (D+61.8), carried by the Democratic candidate. Out of 70,988 votes cast, 55,943 went Democratic and 12,094 went Republican.
When did Massachusetts Suffolk and Middlesex District last vote Republican?
The most recent presidential election in which Massachusetts Suffolk and Middlesex District voted Republican was 1924.
How many people live in Massachusetts Suffolk and Middlesex District?
Massachusetts Suffolk and Middlesex District has a population of 183,947 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Massachusetts Suffolk and Middlesex District?
Median household income in Massachusetts Suffolk and Middlesex District is $106,831 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Massachusetts Suffolk and Middlesex District?
Akashic tracks 38 presidential elections in Massachusetts Suffolk and Middlesex District from 1876 to 2024. Of those, 35 went Democratic and 3 went Republican.