Religious adherence is published only at the county level (U.S. Religion Census). See Plymouth County.
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.
Massachusetts 21st State House District
Akashic
Massachusetts 21st State House DistrictTrumpR+10.6
20082024
How it voted
Share of the 2024 vote
Donald Trump ✓Republican
53.8%
13,981
Kamala HarrisDemocratic
43.2%
11,214
Jill SteinGreen-Rainbow
3.1%
793
D+60R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 2 counties it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (2 counties) — table
2024 presidential result by county for Massachusetts 21st State House District — winner and D-vs-R margin.
County
Winner
Margin
Bristol County, MA
Democratic
D+1.3
Plymouth County, MA
Democratic
D+8.8
Akashic
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year
Won
Democratic
Republican
Other
Margin
Total
R
43.2%Harris11,214
53.8%Trump13,981
3.1%Stein793
−10.6%
25,988
R
47.9%Biden12,045
49.3%Trump12,401
2.7%Jorgensen687
−1.4%
25,133
R
42.4%Clinton9,390
49.5%Trump10,961
8.2%Johnson1,814
−7.1%
22,165
R
49.6%Obama9,599
50.4%Romney9,741
0.0%
−0.7%
19,340
D
50.0%Obama10,120
47.9%McCain9,697
2.1%Nader426
+2.1%
20,243
Akashic
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2008
+2.1%
2012
−0.7%
2016
−7.1%
2020
−1.4%
2024
−10.6%
DemocraticRepublican
Akashic
current representation
Current officeholders
RNorm OrrallState House · 12th Bristol
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of D+28.5, the 12th Bristol District ranks among Massachusetts' most reliably Democratic state house seats, reflecting the dense, working-class urban communities that define its electorate.
Across the recorded series it reached a Democratic high of 2.1 points in 2008 and a Republican high of 10.6 points in 2024. Between 2020 and 2024 the district moved 9.2 points toward the Republican candidate; the 2024 margin was 10.6 points.
A population of 45,261, a 87% non-Hispanic-white share, and a median household income of $107,301 describe the district. The district's voting pattern over the last decade is most similar to that of 8th Plymouth District and 2nd Plymouth District.
Akashic
Political twins — state-house districts
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.
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.
Massachusetts 21st State House District. Akashic. https://akashic.app/sld-lower/25021/. Accessed May 20, 2026. License: CC BY 4.0.
How did Massachusetts 21st State House District vote in 2024?
In 2024, Massachusetts 21st State House District voted Republican by 10.6 points (R+10.6), carried by the Republican candidate. Out of 25,988 votes cast, 11,214 went Democratic and 13,981 went Republican.
When did Massachusetts 21st State House District last vote Democratic?
The most recent presidential election in which Massachusetts 21st State House District voted Democratic was 2008.
How many people live in Massachusetts 21st State House District?
Massachusetts 21st State House District has a population of 45,261 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Massachusetts 21st State House District?
Median household income in Massachusetts 21st State House District is $107,301 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of Massachusetts 21st State House District?
Akashic tracks 5 presidential elections in Massachusetts 21st State House District from 2008 to 2024. Of those, 1 went Democratic and 4 went Republican.