congressional districtMassachusetts 3rd Congressional District
presidential margin
2004–2024 · Democratic minus Republican
2004D+18.0
2008D+19.0
2012D+15.4
2016D+21.3
2020D+27.3
2024D+18.7
net swing · 2004→2024D+0.7D+18.0 → D+18.7
vs. U.S. · 2024D+20.2D+18.7 vs R+1.5
presidential returns
2024 turnout 66.3% of 546,806 citizens 18+
Year
Democrat
Republican
Others
Total
CVAP
Turnout
2024
208,645
140,869
13,199
362,713
546,806
66.3%
2020
233,527
131,343
9,283
374,153
535,485†
69.9%
2016
195,246
121,854
27,363
344,463
519,113†
66.4%
2012
185,781
135,533
5,472
326,786
496,141†
65.9%
2008
182,052
122,843
5,926
310,821
487,280†
63.8%
2004
172,150
119,028
4,545
295,723
478,420†
61.8%
† Citizen voting-age population estimated for prior cycles from the constituent-county ACS trend anchored to the current figure. Source: ACS 5-year, table B05003.
——
D+60R+60
20042024
District by 2024 margin · Precinct returns · VEST · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupMA-3MassachusettsUnited States
Irish17.7%18.6%9.4%
Italian11.8%11.1%4.8%
English9.4%9.7%9.5%
German5.7%5.4%12.5%
French3.9%4.7%1.6%
Polish3.2%3.4%2.2%
American3.1%3.3%5.3%
French Canadian2.7%——
Puerto Rican6.2%4.6%1.8%
Dominican3.7%2.7%0.7%
Salvadoran2.3%1.1%0.7%
Mexican1.7%0.8%11.3%
Guatemalan1.7%0.8%0.5%
Colombian1.2%0.6%0.4%
Ecuadorian0.6%0.3%—
Cuban0.4%0.2%0.7%
Chinese2.7%2.5%1.3%
Asian Indian2.4%1.9%1.4%
Vietnamese0.6%0.8%0.6%
Cambodian0.6%0.4%—
Korean0.5%0.4%0.4%
African American†2.1%2.6%9.9%
Haitian0.8%1.1%0.3%
African0.4%0.3%0.5%
Jamaican0.2%0.5%0.4%
Nigerian0.2%0.2%0.2%
Ethiopian0.2%——
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
MA-3
Massachusetts
United States
Median age
39.2
40.3
39.1
Age 18–24
9.5%
9.9%
9.2%
Age 65 and older
16.5%
17.9%
17.2%
Household economy
Measure
MA-3
Massachusetts
United States
Median household income
$99,663
$103,960
$84,427
Poverty rate
10.3%
10.1%
12.5%
Bachelor's degree or higher (25+)
55.0%
47.3%
35.6%
Languages at home
Measure
MA-3
Massachusetts
United States
Speaks a non-English language at home
28.1%
25.1%
22.3%
Spanish
8.2%
9.7%
13.6%
Other Indo-European
7.9%
6.1%
2.0%
Chinese (incl. Mandarin & Cantonese)
3.2%
2.2%
1.1%
Other Asian & Pacific Island
2.2%
1.2%
1.1%
Religious landscape
Measure
MA-3
Massachusetts
United States
Catholic
—
35.5%
18.6%
Evangelical Protestant
—
3.6%
16.5%
Unclaimed / not counted
—
51.4%
51.5%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Massachusetts 3rd Congressional District
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2004
+18.0%
2008
+19.0%
2012
+15.4%
2016
+21.3%
2020
+27.3%
2024
+18.7%
DemocraticRepublican
6 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year. Third-party votes in 2012 are allocated from certified county totals by this place's share of each county's two-party vote — that cycle's precinct source records two-party splits. † 2004 sub-county results are estimated: the source's block-level detail for this cycle was unreliable — either county/municipality-level consolidated reporting (COVID-era) or a precinct-to-block allocation that misplaced votes — so the figures are allocated from the constituent county totals in proportion to the place and scaled to certified totals.
Federal officeholders only. State and local officeholders are planned for the next data pass.
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.
Year
District
Won
Democratic
Republican
Total
2024
3
D
73.0%264,698
0.0%0
362,678
2022
3
D
61.5%154,496
35.2%88,585
251,389
2020
3
D
97.7%286,896
0.0%0
293,539
2018
3
D
62.0%173,175
33.5%93,445
279,327
2016
3
D
68.7%236,713
31.2%107,519
344,592
2014
3
D
63.0%139,104
36.9%81,638
220,946
2012
3
D
65.9%212,119
34.0%109,372
321,753
2010
3
D
56.5%122,708
39.2%85,124
217,352
2008
3
D
98.5%227,619
0.0%0
231,107
2006
3
D
98.8%166,973
0.0%0
168,956
2004
3
D
70.5%192,036
29.4%80,197
272,412
2002
3
D
98.8%155,697
0.0%0
157,545
2000
3
D
98.8%213,065
0.0%0
215,561
1998
3
D
56.9%108,613
41.5%79,174
190,878
1996
3
D
52.9%135,044
45.4%115,694
255,097
1994
3
R
44.2%93,689
54.6%115,810
212,035
1992
3
R
44.3%115,587
50.4%131,473
260,932
1990
3
D
65.5%150,992
0.0%0
230,432
1988
3
D
99.8%191,005
0.0%0
191,383
1986
3
D
75.0%120,222
0.0%0
160,202
1984
3
D
67.4%148,461
32.6%71,765
220,254
1982
3
D
99.9%142,611
0.0%0
142,740
1980
3
D
72.3%141,560
27.7%54,213
195,783
1978
3
D
75.2%119,337
24.7%39,259
158,730
1976
3
D
100.0%168,520
0.0%0
168,568
U.S. Senate
The statewide Senate race, counted in this district — aggregated from the precinct-level returns that fall inside its boundaries (not a statewide figure).
Votes · MIT Election Lab (MEDSL) precinct returns (CC BY 4.0); aggregated to the district over VEST precinct geometry (CC BY-NC 4.0).
Year
Won
Democratic
Republican
Total
2024
D
57.8%202,857
42.0%147,455
350,897
2020
D
66.3%2,357,809
33.1%1,177,765
3,556,708
2018
D
60.3%1,633,371
36.2%979,210
2,707,090
2014
D
61.9%1,289,944
38.0%791,950
2,084,966
2012
D
53.7%1,696,346
46.2%1,458,048
3,156,553
2008
D
65.9%1,971,974
30.9%926,044
2,994,247
2006
D
69.3%1,500,738
30.5%661,532
2,165,490
2002
D
81.0%1,605,976
0.0%0
1,981,860
2000
D
72.7%1,889,494
12.9%334,341
2,599,420
1996
D
52.2%1,334,135
44.7%1,143,120
2,555,942
1994
D
58.1%1,265,997
41.0%894,000
2,179,945
1990
D
54.5%1,321,712
41.0%992,917
2,424,579
1988
D
65.0%1,693,344
33.9%884,267
2,606,225
1984
D
55.1%1,393,150
44.9%1,136,913
2,530,471
1982
D
60.8%1,247,084
38.3%784,602
2,050,564
1978
D
55.1%1,093,283
44.8%890,584
1,985,700
1976
D
69.3%1,726,657
29.0%722,641
2,491,255
2024 U.S. Senate — every candidate counted in this district
Elizabeth Warren · Democrat57.8%202,857
John Deaton · Republican42.0%147,455
All Others0.2%585
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.
Across the recorded series it reached a Democratic high of 27.3 points in 2020. Between 2020 and 2024 the district moved 8.6 points toward the Republican candidate; the 2024 margin was 18.7 points.
A population of 781,168, a 61% non-Hispanic-white share, and a median household income of $99,663 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 8 and Congressional District 4.
Akashic
Political twins — districts
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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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Massachusetts 3rd Congressional District. Akashic. https://akashic.app/cd/2503/. Accessed May 20, 2026. License: CC BY 4.0.
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How did Massachusetts 3rd Congressional District vote in 2024?
In 2024, Massachusetts 3rd Congressional District voted Democratic by 18.7 points (D+18.7), carried by the Democratic candidate. Out of 362,713 votes cast, 208,645 went Democratic and 140,869 went Republican.
How many people live in Massachusetts 3rd Congressional District?
Massachusetts 3rd Congressional District has a population of 781,168 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Massachusetts 3rd Congressional District?
Median household income in Massachusetts 3rd Congressional District is $99,663 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Massachusetts 3rd Congressional District?
Akashic tracks 6 presidential elections in Massachusetts 3rd Congressional District from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.
