Massachusetts 3rd Congressional District, Massachusetts: Urban anchor district. In 2024, voted D+33%. Democratic peak: D+53 in 1964.
Key facts
- 2024 presidential margin
- D+33MIT Election Lab
- Political archetype
- Urban anchorAkashic typology
- Population
- 1,079,3032024 5-year
- Median household income
- $122,9822024 5-year
- White (non-Hispanic)
- 67.8%2024 5-year
- Black
- 4.9%2024 5-year
- Hispanic / Latino
- 11.3%2024 5-year
- Peak Democratic margin
- D+53 in 1964MIT Election Lab
- Peak Republican margin
- R+47 in 1896MIT Election Lab
D
TRAHAN, Lori
−1 liberal+1 conservative
Predecessors: TSONGAS, Nicola S. (Niki) (2017–2019), TSONGAS, Nicola S. (Niki) (2015–2017), TSONGAS, Nicola S. (Niki) (2013–2015), McGOVERN, James P. (2011–2013)
Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
Constituent county margins for Congressional District 3, 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.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 347,994 | 170,574 | 534,500 | ||
| D | 387,387 | 162,964 | 567,162 | ||
| D | 324,227 | 155,755 | 525,732 | ||
| D | 298,365 | 182,320 | 490,271 | ||
| D | 295,250 | 167,814 | 473,589 | ||
| D | 279,760 | 162,120 | 448,330 | ||
| D | 256,036 | 134,055 | 423,936 | ||
| D | 251,480 | 111,991 | 403,654 | ||
| D | 214,776 | 128,250 | 442,659 | ||
| D | 225,571 | 190,842 | 423,024 | ||
| R | 200,872 | 208,560 | 410,779 | ||
| D | 171,313 | 166,700 | 406,866 | ||
| D | 232,136 | 164,905 | 411,430 | ||
| D | 218,637 | 175,069 | 395,803 | ||
| D | 237,388 | 122,741 | 372,408 | ||
| D | 284,387 | 87,522 | 373,356 | ||
| D | 230,656 | 159,459 | 390,912 | ||
| R | 141,740 | 222,156 | 364,876 | ||
| R | 157,413 | 204,203 | 362,677 | ||
| D | 165,060 | 147,231 | 318,438 | ||
| R | 142,452 | 150,000 | 292,960 | ||
| R | 149,293 | 154,173 | 304,925 | ||
| D | 128,866 | 127,581 | 276,110 | ||
| R | 114,591 | 120,312 | 239,933 | ||
| R | 113,498 | 124,557 | 239,064 | ||
| R | 41,170 | 109,255 | 169,449 | ||
| R | 40,984 | 105,027 | 150,179 | ||
| R | 34,011 | 40,830 | 76,681 | ||
| D | 24,136 | 22,454 | 70,493 | ||
| R | 21,098 | 40,160 | 65,734 | ||
| R | 21,875 | 38,706 | 63,119 | ||
| R | 20,341 | 34,855 | 57,515 | ||
| R | 13,654 | 39,768 | 55,732 | ||
| R | 23,929 | 28,778 | 54,252 | ||
| — | — | — | — | ||
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Congressional elections · 17 Senate races
U.S. Senate
| Year | Won | D % | R % | Total |
|---|---|---|---|---|
| 2024 | D | 58.1% | 38.9% | 3,512,930 |
| 2020 | D | 64.5% | 32.2% | 3,658,005 |
| 2018 | D | 60.3% | 36.2% | 2,707,090 |
| 2014 | D | 59.0% | 36.2% | 2,186,789 |
| 2012 | D | 53.3% | 45.8% | 3,184,196 |
| 2008 | D | 63.6% | 29.8% | 3,102,995 |
| 2006 | D | 66.9% | 29.5% | 2,243,835 |
| 2002 | D | 72.3% | 0.0% | 2,220,301 |
| 2000 | D | 69.1% | 12.2% | 2,734,048 |
| 1996 | D | 52.2% | 44.7% | 2,555,942 |
| 1994 | D | 58.1% | 41.0% | 2,179,945 |
| 1990 | D | 54.5% | 41.0% | 2,424,579 |
| 1988 | D | 65.0% | 33.9% | 2,606,225 |
| 1984 | D | 55.1% | 44.9% | 2,530,471 |
| 1982 | D | 60.8% | 38.3% | 2,050,769 |
| 1978 | D | 55.1% | 44.8% | 1,985,700 |
| 1976 | D | 69.3% | 29.0% | 2,491,255 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Irish
18.2%
Italian
12.2%
English
9.7%
German
5.9%
French
4.0%
Polish
3.3%
American
3.2%
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: 39.3 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
$122,982
Congressional District 3 ranks near the middle of US counties.
Congressional District 3$122,982
Massachusetts$103,960
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
8.2%
Child poverty is below the national average.
Children under 188.9%
Working age (18–64)7.8%
Seniors (65+)11.3%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
71.9%
speak English only
Other Indo-European11.2%
Spanish8.2%
Asian & Pacific Islander6.7%
Other languages2.1%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 47.8% of residents not counted as adherents by any reporting body.
Stretching from Worcester through the Pioneer Valley, MA-3 combines a large college-town population with post-industrial urban centers, consistently returning presidential margins above D+20 across recent cycles.
The Democratic margin in Massachusetts 3rd Congressional District has been steady. It reached its modern peak at fifty-three points in 1964; the 2024 margin was thirty-three points, still in line with the district's long pattern.
Its political identity is inseparable from its demographic profile: a 68% non-Hispanic-white share, a median household income of $122,982, and the full diversity of a major metropolitan center.
Compare two places, side by side
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Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Congressional District 3, Massachusetts. Akashic. https://akashic.app/cd/2503/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Congressional District 3, Massachusetts vote in 2024?
In 2024, Congressional District 3, Massachusetts voted Democratic by 33.2 points (D+33), carried by the Democratic candidate. Out of 534,500 votes cast, 347,994 went Democratic and 170,574 went Republican.
What is Congressional District 3, Massachusetts's political archetype?
Akashic classifies Congressional District 3, Massachusetts as a "Urban anchor" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 19 times, Republican 15 times, and other 0 times.
When did Congressional District 3, Massachusetts last vote Republican?
The most recent presidential election in which Congressional District 3, Massachusetts voted Republican was 1984.
How many people live in Congressional District 3, Massachusetts?
Congressional District 3, Massachusetts has a population of 1,079,303 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 3, Massachusetts?
Median household income in Congressional District 3, Massachusetts is $122,982 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Congressional District 3, Massachusetts?
Akashic tracks 38 presidential elections in Congressional District 3, Massachusetts from 1876 to 2024. Of those, 19 went Democratic and 15 went Republican. The district's archetype — "Urban anchor" — captures the overall trajectory of that voting record.