Massachusetts 8th Congressional District: Diversifying Metro district. In 2024, voted D+26%. Democratic peak: D+35 in 2020.
Key facts
- 2024 presidential margin
- D+26MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 616,5072024 5-year
- Median household income
- $113,5082024 5-year
- White (non-Hispanic)
- 62.2%2024 5-year
- Black
- 11.4%2024 5-year
- Hispanic / Latino
- 12.4%2024 5-year
- Peak Democratic margin
- D+35 in 2020MIT Election Lab
DW-NOMINATE
Member ideology
D
LYNCH, Stephen F.
LYNCH scores -0.34 on the first NOMINATE dimension (−1 most liberal, +1 most conservative).
Predecessors: CAPUANO, Michael Everett (2011–2013), CAPUANO, Michael Everett (2009–2011), CAPUANO, Michael Everett (2007–2009), CAPUANO, Michael Everett (2005–2007)
Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
2024 presidential election
Congressional District 8
HarrisD+26
How it voted
Share of the 2024 vote
| Kamala Harris ✓Democratic | 61.0% | 242,424 |
|---|---|---|
| Donald TrumpRepublican | 35.1% | 139,391 |
| OtherAll other candidates | 3.9% | 15,629 |
D+60R+60
4 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2008 | +18.9% |
| 2012 | +19.2% |
| 2016 | +27.6% |
| 2020 | +35.3% |
| 2024 | +25.9% |
DemocraticRepublican
5 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 242,424 | 139,391 | 397,444 | ||
| D | 277,116 | 130,206 | 416,364 | ||
| D | 228,089 | 124,027 | 377,202 | ||
| D | 212,253 | 143,924 | 356,177 | ||
| D | 201,158 | 136,437 | 343,226 |
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
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Irish
19.8%
Italian
10.4%
English
8.2%
German
5.1%
American
3.2%
French
2.6%
Polish
2.4%
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.
2024 ACS
Age distribution by sex
Median age: 38.6 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.
2024 ACS
Median household income
Inflation-adjusted dollars
$113,508
Congressional District 8 ranks near the middle of US counties.
Congressional District 8$113,508
Massachusetts$103,960
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
10.5%
Child poverty is below the national average.
Children under 1811.6%
Working age (18–64)9.8%
Seniors (65+)15.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
72.1%
speak English only
Other Indo-European9.8%
Spanish9.5%
Asian & Pacific Islander6.6%
Other languages2.0%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 46.3% of residents not counted as adherents by any reporting body.
MA-8 covers a dense stretch of greater Boston where a D+24.6 presidential margin in 2024 reflects a heavily educated, majority-minority electorate concentrated in some of the region's most walkable, transit-dependent neighborhoods.
Across the recorded series it reached a Democratic high of thirty-five points in 2020. Between 2020 and 2024 the district moved nine points toward the Republican candidate; the 2024 margin was twenty-six points.
A population of 616,507, a 62% non-Hispanic-white share, and a median household income of $113,508 describe the district.
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.
Congressional District 8, Massachusetts. Akashic. https://akashic.app/cd/2508/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Congressional District 8, Massachusetts vote in 2024?
In 2024, Congressional District 8, Massachusetts voted Democratic by 25.9 points (D+26), carried by the Democratic candidate. Out of 397,444 votes cast, 242,424 went Democratic and 139,391 went Republican.
What is Congressional District 8, Massachusetts's political typology?
Akashic places Congressional District 8, Massachusetts in the "Diversifying Metro" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. 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 Congressional District 8, Massachusetts?
Congressional District 8, Massachusetts has a population of 616,507 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 8, Massachusetts?
Median household income in Congressional District 8, Massachusetts is $113,508 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Congressional District 8, Massachusetts?
Akashic tracks 5 presidential elections in Congressional District 8, Massachusetts from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican. The district's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.