- Lead
- 171
- Total
- 28,437
- vs nation
- D+2.1
Massachusetts 122nd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,859
- Total
- 27,594
- vs nation
- D+5.9
- Lead
- 366
- Total
- 24,813
- vs nation
- R+3.6
- Lead
- 1,317
- Total
- 22,980
- vs nation
- R+9.6
- Lead
- 400
- Total
- 22,493
- vs nation
- R+9.1
- Lead
- 234
- Total
- 20,971
- vs nation
- D+1.3
- Lead
- 1,226
- Total
- 18,918
- vs nation
- D+6.0
- Lead
- 2,274
- Total
- 17,254
- vs nation
- D+4.7
Key facts
- 2024 presidential margin
- D+0.6MIT Election Lab
- Population
- 45,0812024 5-year
- Population density
- 613 / sq mi2024 5-year · TIGER/Line
- Land area
- 73.5 sq miTIGER/Line
- Median household income
- $101,0112024 5-year
- White (non-Hispanic)
- 89.4%2024 5-year
- Black
- 1.4%2024 5-year
- Hispanic / Latino
- 2.4%2024 5-year
- Peak Democratic margin
- D+28.0 in 1964MIT Election Lab
- Peak Republican margin
- R+67.7 in 1896MIT Election Lab
- Most similar
- 2nd Plymouth District, MA · twin score 96.3
presidential history
Party record book
Massachusetts 122nd 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
63.9%
6,719 votes · D+28.0 · modeled estimate
Runner-up · Joe Biden, 2020 · 53.9%
Republican
William McKinley1896
79.6%
1,332 votes · R+67.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 76.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
14,881votes
53.9% of the vote · D+10.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 14,013 votes
Republican
Donald Trump2024
13,842votes
48.7% of the vote · D+0.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 12,022 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
+9.1pts D vs U.S.
Place R+14.0 · U.S. R+23.2 · modeled estimate
Runner-up · Al Gore, 2000 · +6.0 pts
Republican
William McKinley1896
+61.6pts R vs U.S.
Place R+67.7 · U.S. R+6.1 · modeled estimate
Runner-up · Alf Landon, 1936 · +47.6 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 |
|---|---|---|---|---|
| 2024 | D | 57.8%14,020 | 42.2%10,245 | 24,265 |
| 2020 | D | 72.0%15,582 | 28.0%6,062 | 21,644 |
Covering a slice of Plymouth County's shoreline communities, this district swung within a single percentage point in 2024 — signaling a competitive middle ground unusual for a state dominated by lopsided legislative margins.
Across the recorded series it reached a Democratic high of 28.0 points in 1964 and a Republican high of 67.7 points in 1896. Between 2020 and 2024 the district moved 9.8 points toward the Republican candidate; the 2024 margin was 0.6 points.
A population of 45,081, a 89% non-Hispanic-white share, and a median household income of $101,011 describe the district. The district's voting pattern over the last decade is most similar to that of 2nd Plymouth District and 7th Plymouth 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 122nd State House District. Akashic. https://akashic.app/sld-lower/25122/. Accessed May 20, 2026. License: CC BY 4.0.