Akashic
1892–2024
Akashic
Third Middlesex District
presidential margin
2008D+27.22012D+21.02016D+37.72020D+46.32024D+42.2
full record · 2008 → 2024
D+42.2
2024
median income$147,450U.S. $80,734 · MA $103,960
median age40.3U.S. 39.1 · MA 40.3
poverty rate6.2%U.S. 12.5% · MA 10.1%
bachelor’s+ (25+)59.5%U.S. 35.6% · MA 47.3%
non-english29.1%U.S. 22.3% · MA 25.1%
race · ethnicity · ancestry
Irish19.9%
Italian13.1%
English10.5%
Chinese4.5%
Asian Indian3.9%
Cambodian1.1%
Puerto Rican2.2%
Salvadoran1.2%
Mexican0.9%
African American†2.0%
Haitian0.8%
African0.4%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Middlesex County.

American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.

Third Middlesex District

Akashic
Third Middlesex DistrictHarrisD+42.2
2024
2024 presidential margin for Third Middlesex DistrictThe boundary of Third Middlesex District, filled by its 2024 presidential margin (D+42.2), over faint outlines of the counties it is drawn from.Third Middlesex District · D+42.2
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic69.0%61,530
Donald TrumpRepublican26.8%23,900
Jill SteinGreen-Rainbow4.3%3,794
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 1 county it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (1 county) — table
2024 presidential result by county for Third Middlesex District — winner and D-vs-R margin.
CountyWinnerMargin
Middlesex County, MADemocraticD+39.2
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
69.0%Harris61,530
26.8%Trump23,900
4.3%Stein3,794
+42.2%
89,224
D
71.9%Biden67,490
25.5%Trump23,991
2.6%Jorgensen2,427
+46.3%
93,908
D
65.1%Clinton55,669
27.5%Trump23,472
7.4%Johnson6,339
+37.7%
85,480
D
60.5%Obama49,891
39.5%Romney32,574
0.0%
+21.0%
82,465
D
62.7%Obama50,330
35.5%McCain28,501
1.7%Nader1,399
+27.2%
80,230
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: +42.2% in 2024.+42.2%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+27.2%
2012+21.0%
2016+37.7%
2020+46.3%
2024+42.2%
DemocraticRepublican
current representation
Current officeholders
DMike BarrettState Senate · Third Middlesex

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

The Third Middlesex District delivered a 42-point Democratic presidential margin in 2024, reflecting the dense concentration of university communities and inner-ring Boston suburbs that define its electorate.

Across the recorded series it reached a Democratic high of 46.3 points in 2020. Between 2020 and 2024 the district moved 4.1 points toward the Republican candidate; the 2024 margin was 42.2 points.

A population of 170,258, a 71% non-Hispanic-white share, and a median household income of $147,450 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.

Political twins — state-senate districts

The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Middlesex and Norfolk District
Massachusetts
99.7twin score
12-yr trend2016–2024 trajectory
Middlesex and Worcester District
Massachusetts
99.6twin score
12-yr trend2016–2024 trajectory
Fourth Middlesex District
Massachusetts
97.4twin score
median incomecollege share2020–2024 trajectory

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 →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Third Middlesex District, Massachusetts. Akashic. https://akashic.app/sld-upper/25D15/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Third Middlesex District

counties it covers1
Middlesex County

Frequently asked questions

How did Third Middlesex District, Massachusetts vote in 2024?
In 2024, Third Middlesex District, Massachusetts voted Democratic by 42.2 points (D+42.2), carried by the Democratic candidate. Out of 89,224 votes cast, 61,530 went Democratic and 23,900 went Republican.
How many people live in Third Middlesex District, Massachusetts?
Third Middlesex District, Massachusetts has a population of 170,258 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Third Middlesex District, Massachusetts?
Median household income in Third Middlesex District, Massachusetts is $147,450 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Third Middlesex District, Massachusetts?
Akashic tracks 5 presidential elections in Third Middlesex District, Massachusetts from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.