- Lead
- 11,415
- Total
- 25,902
- vs nation
- D+45.5
Massachusetts 42nd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 13,190
- Total
- 26,302
- vs nation
- D+45.7
- Lead
- 10,096
- Total
- 24,509
- vs nation
- D+39.1
- Lead
- 12,307
- Total
- 23,537
- vs nation
- D+48.4
- Lead
- 12,751
- Total
- 24,117
- vs nation
- D+45.6
- Lead
- 10,443
- Total
- 23,162
- vs nation
- D+47.5
- Lead
- 5,981
- Total
- 20,643
- vs nation
- D+28.5
- Lead
- 8,326
- Total
- 20,320
- vs nation
- D+32.5
Key facts
- 2024 presidential margin
- D+44.1MIT Election Lab
- Population
- 42,9822024 5-year
- Population density
- 96 / sq mi2024 5-year · TIGER/Line
- Land area
- 446 sq miTIGER/Line
- Median household income
- $75,0042024 5-year
- White (non-Hispanic)
- 86.5%2024 5-year
- Black
- 1.3%2024 5-year
- Hispanic / Latino
- 5.0%2024 5-year
- Peak Democratic margin
- D+52.9 in 2008MIT Election Lab
- Peak Republican margin
- R+61.6 in 1896MIT Election Lab
- Most similar
- Windham-3 State House District, VT · twin score 90.6
presidential history
Party record book
Massachusetts 42nd State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Barack Obama2008
75.1%
18,107 votes · D+52.9 · modeled estimate
Runner-up · Barack Obama, 2012 · 74.4%
Republican
William McKinley1896
76.4%
3,131 votes · R+61.6 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 75.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
19,360votes
73.6% of the vote · D+50.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · 18,172 votes
Republican
Dwight D. Eisenhower1956
11,038votes
69.1% of the vote · R+38.4 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 10,872 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Barack Obama2012
+48.4pts D vs U.S.
Place D+52.3 · U.S. D+3.9 · modeled estimate
Runner-up · John Kerry, 2004 · +47.5 pts
Republican
William McKinley1896
+55.6pts R vs U.S.
Place R+61.6 · U.S. R+6.1 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +45.0 pts
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 100.0%18,047 | 0.0%0 | 18,047 |
| 2020 | D | 79.3%18,909 | 20.7%4,939 | 23,848 |
In 2024 it voted Democratic by D+43.7, against D+52.9 in 2008. About 44,200 residents lived here, with White alone at 89% in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 52.9 points in 2008 and a Republican high of 61.6 points in 1896. Between 2020 and 2024 the district moved 6.1 points toward the Republican candidate; the 2024 margin was 44.1 points.
A population of 42,982, a 87% non-Hispanic-white share, and a median household income of $75,004 describe the district. The district's voting pattern over the last decade is most similar to that of Windham-3 State House District and 1st Hampshire District.
The state-house 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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Massachusetts 42nd State House District. Akashic. https://akashic.app/sld-lower/25042/. Accessed May 20, 2026. License: CC BY 4.0.