Akashic
1892–2024
Akashic
Massachusetts 4th Congressional District
presidential margin
2008D+24.12012D+18.72016D+22.52020D+28.32024D+19.4
full record · 2008 → 2024
D+19.4
2024
median income$116,055U.S. $80,734 · MA $103,960
median age40.9U.S. 39.1 · MA 40.3
poverty rate7.8%U.S. 12.5% · MA 10.1%
bachelor’s+ (25+)45.5%U.S. 35.6% · MA 47.3%
non-english22.7%U.S. 22.3% · MA 25.1%
race · ethnicity · ancestry
Irish22.5%
Italian11.3%
Portuguese11.0%
Chinese2.6%
Asian Indian1.6%
Vietnamese0.8%
Puerto Rican2.3%
Dominican0.7%
Mexican0.5%
Cape Verdean1.1%
African American†1.0%
Haitian0.8%
religion

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

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

Massachusetts 4th Congressional District

Akashic
2024 presidential electionMassachusetts 4th Congressional DistrictHarrisD+19.4
Massachusetts 4th Congressional District premium atlas map: Harris D+19.4, 236 precincts, 9 city labels.
2024
236 precincts by 2024 margin · 9 cities, own margin · ◎ bluest & reddest city
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: +19.4% in 2024.+19.4%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+24.1%
2012+18.7%
2016+22.5%
2020+28.3%
2024+19.4%
DemocraticRepublican
current representation
Current officeholders
DJake AuchinclossU.S. House · MA-04-0.27
DEd MarkeyU.S. Senate-0.52
DElizabeth WarrenU.S. Senate-0.74

Federal officeholders only. State and local officeholders are planned for the next data pass.

Source · Voteview HSall_members.csv.
Congressional elections · 25 House races · 17 Senate races

U.S. House

Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.

Source · MIT Election Lab (MEDSL), House. CC-BY 4.0.
YearDistrictWonDemocraticRepublicanTotal
20244D
70.3%289,347
0.0%0
411,578
20224D
69.2%201,882
0.0%0
291,569
20204D
60.8%251,102
38.9%160,474
412,823
20184D
97.7%245,289
0.0%0
251,016
20164D
70.1%265,823
29.8%113,055
379,213
20144D
97.9%184,158
0.0%0
188,098
20124D
61.1%221,303
35.9%129,936
362,245
20104D
53.9%126,194
43.4%101,517
234,127
20084D
68.0%203,032
25.3%75,571
298,788
20064D
98.5%176,513
0.0%0
179,243
20044D
77.7%219,260
0.0%0
282,039
20024D
99.0%166,125
0.0%0
167,816
20004D
74.9%200,638
21.1%56,553
267,880
19984D
98.4%148,340
0.0%0
150,720
19964D
71.6%183,844
28.3%72,701
256,637
19944D
99.5%168,942
0.0%0
169,795
19924D
67.7%182,633
26.2%70,665
269,812
19904D
62.4%143,473
32.8%75,454
229,894
19884D
70.3%169,729
29.7%71,661
241,414
19864D
80.6%134,387
0.0%0
166,835
19844D
74.2%172,903
25.8%60,121
233,032
19824D
59.5%121,802
40.5%82,804
204,615
19804D
51.9%103,466
48.1%95,898
199,376
19784D
99.9%111,353
0.0%0
111,491
19764D
52.1%109,268
47.9%100,562
209,835

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
YearWonDemocraticRepublicanTotal
2024D
59.8%2,041,668
40.0%1,365,440
3,413,329
2020D
66.3%2,357,809
33.1%1,177,765
3,556,708
2018D
60.3%1,633,371
36.2%979,210
2,707,090
2014D
61.9%1,289,944
38.0%791,950
2,084,966
2012D
53.7%1,696,346
46.2%1,458,048
3,156,553
2008D
65.9%1,971,974
30.9%926,044
2,994,247
2006D
69.3%1,500,738
30.5%661,532
2,165,490
2002D
81.0%1,605,976
0.0%0
1,981,860
2000D
72.7%1,889,494
12.9%334,341
2,599,420
1996D
52.2%1,334,135
44.7%1,143,120
2,555,942
1994D
58.1%1,265,997
41.0%894,000
2,179,945
1990D
54.5%1,321,712
41.0%992,917
2,424,579
1988D
65.0%1,693,344
33.9%884,267
2,606,225
1984D
55.1%1,393,150
44.9%1,136,913
2,530,471
1982D
60.8%1,247,084
38.3%784,602
2,050,564
1978D
55.1%1,093,283
44.8%890,584
1,985,700
1976D
69.3%1,726,657
29.0%722,641
2,491,255

Anchored by Newton, Brookline, and stretches of Boston's southwestern suburbs, MA-04 combines high educational attainment and dense inner-ring settlement patterns that have made it one of New England's most reliably lopsided presidential districts.

Across the recorded series it reached a Democratic high of 28.3 points in 2020. Between 2020 and 2024 the district moved 9.0 points toward the Republican candidate; the 2024 margin was 19.4 points.

A population of 781,004, a 79% non-Hispanic-white share, and a median household income of $116,055 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 6 and Congressional District 2.

Political twins — districts

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

Congressional District 6
Massachusetts
94.1twin score
2020–2024 trajectorymedian income% Catholic≠ Italian ancestry
Congressional District 2
Massachusetts
91.7twin score
2008–2024 trajectory≠ Irish ancestry
Congressional District 8
Massachusetts
87.8twin score
% Catholic2020–2024 trajectorymedian income≠ Scottish ancestry

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 →

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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Massachusetts 4th Congressional District. Akashic. https://akashic.app/cd/2504/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Massachusetts 4th Congressional District

counties it covers3
Bristol CountyNorfolk CountyPlymouth County

Frequently asked questions

How did Massachusetts 4th Congressional District vote in 2024?
In 2024, Massachusetts 4th Congressional District voted Democratic by 19.4 points (D+19.4), carried by the Democratic candidate. Out of 411,568 votes cast, 237,712 went Democratic and 158,063 went Republican.
How many people live in Massachusetts 4th Congressional District?
Massachusetts 4th Congressional District has a population of 781,004 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Massachusetts 4th Congressional District?
Median household income in Massachusetts 4th Congressional District is $116,055 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Massachusetts 4th Congressional District?
Akashic tracks 5 presidential elections in Massachusetts 4th Congressional District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.