- Lead
- 3,049
- Total
- 11,154
- vs nation
- D+28.8
Massachusetts 76th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 4,707
- Total
- 12,250
- vs nation
- D+34.0
- Lead
- 5,614
- Total
- 12,346
- vs nation
- D+43.4
- Lead
- 4,133
- Total
- 11,292
- vs nation
- D+32.7
- Lead
- 4,351
- Total
- 10,992
- vs nation
- D+32.3
- Lead
- 4,073
- Total
- 10,494
- vs nation
- D+41.3
- Lead
- 3,977
- Total
- 9,965
- vs nation
- D+39.4
- Lead
- 4,267
- Total
- 9,519
- vs nation
- D+36.3
Key facts
- 2024 presidential margin
- D+27.3MIT Election Lab
- Population
- 42,4992024 5-year
- Population density
- 10,897 / sq mi2024 5-year · TIGER/Line
- Land area
- 3.9 sq miTIGER/Line
- Median household income
- $73,1502024 5-year
- White (non-Hispanic)
- 32.7%2024 5-year
- Black
- 8.9%2024 5-year
- Hispanic / Latino
- 20.4%2024 5-year
- Peak Democratic margin
- D+60.4 in 1964MIT Election Lab
- Peak Republican margin
- R+43.7 in 1896MIT Election Lab
- Most similar
- 33rd Middlesex District, MA · twin score 92.5
presidential history
Party record book
Massachusetts 76th 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
80.1%
7,167 votes · D+60.4 · modeled estimate
Runner-up · Hubert Humphrey, 1968 · 69.0%
Republican
William McKinley1896
67.5%
766 votes · R+43.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 65.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Hillary Clinton2016
8,480votes
68.7% of the vote · D+45.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 8,369 votes
Republican
Dwight D. Eisenhower1956
4,492votes
55.8% of the vote · R+11.8 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 4,179 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
George McGovern1972
+46.2pts D vs U.S.
Place D+23.1 · U.S. R+23.2 · modeled estimate
Runner-up · Hillary Clinton, 2016 · +43.4 pts
Republican
William McKinley1896
+37.6pts R vs U.S.
Place R+43.7 · U.S. R+6.1 · modeled estimate
Runner-up · Alf Landon, 1936 · +16.6 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of D+27, the 18th Middlesex tilts among the more one-sided state house districts in Massachusetts, reflecting the dense, college-educated suburban electorate common to inner Middlesex communities.
Across the recorded series it reached a Democratic high of 60.4 points in 1964 and a Republican high of 43.7 points in 1896. Between 2020 and 2024 the district moved 11.1 points toward the Republican candidate; the 2024 margin was 27.3 points.
A population of 42,499, a 33% non-Hispanic-white share, and a median household income of $73,150 describe the district. The district's voting pattern over the last decade is most similar to that of 33rd Middlesex District and 17th Middlesex 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 76th State House District. Akashic. https://akashic.app/sld-lower/25076/. Accessed May 20, 2026. License: CC BY 4.0.