- Lead
- 3,183
- Total
- 25,703
- vs nation
- D+13.9
Massachusetts 150th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,781
- Total
- 25,948
- vs nation
- D+14.0
- Lead
- 1,412
- Total
- 23,364
- vs nation
- D+4.0
- Lead
- 938
- Total
- 21,261
- vs nation
- D+0.6
- Lead
- 1,981
- Total
- 21,212
- vs nation
- D+2.1
- Lead
- 1,871
- Total
- 19,806
- vs nation
- D+11.9
- Lead
- 2,669
- Total
- 18,078
- vs nation
- D+14.2
- Lead
- 4,170
- Total
- 17,069
- vs nation
- D+15.9
Key facts
- 2024 presidential margin
- D+12.4MIT Election Lab
- Population
- 43,9992024 5-year
- Population density
- 713 / sq mi2024 5-year · TIGER/Line
- Land area
- 61.7 sq miTIGER/Line
- Median household income
- $127,3212024 5-year
- White (non-Hispanic)
- 83.7%2024 5-year
- Black
- 1.4%2024 5-year
- Hispanic / Latino
- 4.5%2024 5-year
- Peak Democratic margin
- D+51.2 in 1964MIT Election Lab
- Peak Republican margin
- R+55.7 in 1896MIT Election Lab
- Most similar
- 1st Worcester District, MA · twin score 97.6
presidential history
Party record book
Massachusetts 150th 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
Lyndon B. Johnson1964
75.4%
11,682 votes · D+51.2 · modeled estimate
Runner-up · Hubert Humphrey, 1968 · 61.3%
Republican
William McKinley1896
73.9%
2,169 votes · R+55.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 70.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
15,012votes
57.9% of the vote · D+18.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 14,093 votes
Republican
Donald Trump2024
10,910votes
42.4% of the vote · D+12.4 · modeled estimate
Runner-up · Donald Trump, 2020 · 10,231 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
Lyndon B. Johnson1964
+28.6pts D vs U.S.
Place D+51.2 · U.S. D+22.6 · modeled estimate
Runner-up · Hubert Humphrey, 1968 · +26.7 pts
Republican
William McKinley1896
+49.6pts R vs U.S.
Place R+55.7 · U.S. R+6.1 · modeled estimate
Runner-up · William H. Taft, 1912 · +34.9 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
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 |
|---|---|---|---|---|
| 2020 | D | 68.9%13,820 | 31.1%6,234 | 20,054 |
Anchored in central Massachusetts, the 9th Worcester District gave the 2024 Democratic presidential nominee a 12.2-point margin, reflecting the denser, more urban precincts that anchor Worcester County's legislative delegation.
Across the recorded series it reached a Democratic high of 51.2 points in 1964 and a Republican high of 55.7 points in 1896. Between 2020 and 2024 the district moved 6.0 points toward the Republican candidate; the 2024 margin was 12.4 points.
A population of 43,999, a 84% non-Hispanic-white share, and a median household income of $127,321 describe the district. The district's voting pattern over the last decade is most similar to that of 1st Worcester District and 12th Worcester 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 150th State House District. Akashic. https://akashic.app/sld-lower/25150/. Accessed May 20, 2026. License: CC BY 4.0.