Massachusetts Fifth 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
72.2%
46,207 votes · D+44.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 68.3%
Republican
Warren G. Harding1920
74.3%
20,419 votes · R+50.7 · modeled estimate
Runner-up · William McKinley, 1896 · 74.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
67,202votes
68.3% of the vote · D+38.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 59,446 votes
Republican
Dwight D. Eisenhower1956
44,684votes
66.1% of the vote · R+32.5 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 41,696 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
+34.2pts D vs U.S.
Place D+38.6 · U.S. D+4.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · +33.3 pts
Republican
William McKinley1896
+50.8pts R vs U.S.
Place R+56.9 · U.S. R+6.1 · modeled estimate
Runner-up · Alf Landon, 1936 · +36.6 pts
current representation
Current officeholders
DJason LewisState Senate · Fifth 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
100.0%69,590
0.0%0
69,590
2020
D
80.6%70,226
19.4%16,882
87,108
Anchored in dense inner-suburb communities northwest of Boston, the Fifth Middlesex District delivered a 31-point presidential margin in 2024, placing it among the Commonwealth's most lopsided legislative constituencies.
Across the recorded series it reached a Democratic high of 44.7 points in 1964 and a Republican high of 56.9 points in 1896. Between 2020 and 2024 the district moved 6.8 points toward the Republican candidate; the 2024 margin was 31.8 points.
A population of 183,642, a 67% non-Hispanic-white share, and a median household income of $122,318 describe the district. The district's voting pattern over the last decade is most similar to that of Fourth Middlesex District and Middlesex and Norfolk 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 Fifth Middlesex District. Akashic. https://akashic.app/sld-upper/25D23/. Accessed May 20, 2026. License: CC BY 4.0.
How did Massachusetts Fifth Middlesex District vote in 2024?
In 2024, Massachusetts Fifth Middlesex District voted Democratic by 31.8 points (D+31.8), carried by the Democratic candidate. Out of 92,247 votes cast, 59,446 went Democratic and 30,111 went Republican.
When did Massachusetts Fifth Middlesex District last vote Republican?
The most recent presidential election in which Massachusetts Fifth Middlesex District voted Republican was 1984.
How many people live in Massachusetts Fifth Middlesex District?
Massachusetts Fifth Middlesex District has a population of 183,642 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Massachusetts Fifth Middlesex District?
Median household income in Massachusetts Fifth Middlesex District is $122,318 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Massachusetts Fifth Middlesex District?
Akashic tracks 38 presidential elections in Massachusetts Fifth Middlesex District from 1876 to 2024. Of those, 15 went Democratic and 23 went Republican.