Third Middlesex District, Massachusetts: Democratic loyalist district. In 2024, voted D+39%. Democratic peak: D+45 in 2020.
Key facts
- 2024 presidential margin
- D+39MIT Election Lab
- Political archetype
- Democratic loyalistAkashic typology
- Population
- 170,2582024 5-year
- Median household income
- $130,8472024 5-year
- White (non-Hispanic)
- 66.8%2024 5-year
- Black
- 4.9%2024 5-year
- Hispanic / Latino
- 9.3%2024 5-year
- Peak Democratic margin
- D+45 in 2020MIT Election Lab
Constituent county margins for Third Middlesex District, MAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
5 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 57,620 | 24,433 | 84,677 | ||
| D | 64,139 | 23,585 | 89,742 | ||
| D | 54,076 | 22,841 | 84,032 | ||
| D | 48,548 | 27,674 | 77,613 | ||
| D | 48,269 | 25,540 | 75,449 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Irish
18.3%
Italian
12.1%
English
9.7%
German
6.3%
French
3.2%
Polish
3.1%
American
3.1%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 38.9 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$130,847
Third Middlesex District ranks near the middle of US counties.
Third Middlesex District$130,847
Massachusetts$103,960
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
7.7%
Child poverty is below the national average.
Children under 187.9%
Working age (18–64)7.4%
Seniors (65+)10.9%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
70.9%
speak English only
Other Indo-European12.5%
Asian & Pacific Islander8.0%
Spanish6.6%
Other languages2.1%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 45.9% of residents not counted as adherents by any reporting body.
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.
The Democratic margin in Third Middlesex District reached its widest at forty-five points in 2020. The margin in 2024 was thirty-nine points — still decisive.
Its loyalty is rooted in its place. Median household income of $130,847, a 67% non-Hispanic-white share, and a population of 170,258 together describe a district whose political habits are deeply settled.
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Third Middlesex District, Massachusetts — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/sld-upper/25D15/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Third Middlesex District, Massachusetts vote in 2024?
In 2024, Third Middlesex District, Massachusetts voted Democratic by 39.2 points (D+39), carried by the Democratic candidate. Out of 84,677 votes cast, 57,620 went Democratic and 24,433 went Republican.
What is Third Middlesex District, Massachusetts's political archetype?
Akashic classifies Third Middlesex District, Massachusetts as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 5 elections in the dataset, the district has voted Democratic 5 times, Republican 0 times, and other 0 times.
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 $130,847 — 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. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.