- Lead
- 1,275
- Total
- 6,049
- vs nation
- D+22.5
Maine 150th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,425
- Total
- 6,086
- vs nation
- D+19.0
- Lead
- 787
- Total
- 5,423
- vs nation
- D+12.4
- Lead
- 1,376
- Total
- 5,210
- vs nation
- D+22.6
- Lead
- 1,620
- Total
- 5,299
- vs nation
- D+23.3
- Lead
- 998
- Total
- 5,270
- vs nation
- D+21.4
- Lead
- 655
- Total
- 4,461
- vs nation
- D+14.2
- Lead
- 1,093
- Total
- 3,972
- vs nation
- D+19.0
Key facts
- 2024 presidential margin
- D+21.1MIT Election Lab
- Population
- 8,9152024 5-year
- Population density
- 342 / sq mi2024 5-year · TIGER/Line
- Land area
- 26.1 sq miTIGER/Line
- Median household income
- $99,6672024 5-year
- White (non-Hispanic)
- 91.7%2024 5-year
- Black
- 0.6%2024 5-year
- Hispanic / Latino
- 2.1%2024 5-year
- Peak Democratic margin
- D+52.4 in 1964MIT Election Lab
- Peak Republican margin
- R+35.3 in 1924MIT Election Lab
- Most similar
- State House District 145, ME · twin score 98.4
presidential history
Party record book
Maine 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
76.2%
1,789 votes · D+52.4 · modeled estimate
Runner-up · Barack Obama, 2008 · 64.5%
Republican
Calvin Coolidge1924
64.7%
690 votes · R+35.3 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 62.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
3,684votes
60.5% of the vote · D+23.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 3,595 votes
Republican
Donald Trump2024
2,320votes
38.4% of the vote · D+21.1 · modeled estimate
Runner-up · Donald Trump, 2020 · 2,259 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
Hubert Humphrey1968
+30.7pts D vs U.S.
Place D+30.0 · U.S. R+0.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · +29.9 pts
Republican
William McKinley1896
+21.5pts R vs U.S.
Place R+27.6 · U.S. R+6.1 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +15.3 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 |
|---|---|---|---|---|
| 2018 | D | 60.4%2,131 | 39.6%1,400 | 3,531 |
With a 2024 presidential margin of D+21.1 in a state that splits its electoral votes by congressional district, District 150 stands among Maine's most reliably left-leaning legislative constituencies, likely anchored by an urban or college-town core.
Across the recorded series it reached a Democratic high of 52.4 points in 1964 and a Republican high of 35.3 points in 1924. Between 2020 and 2024 the district moved 2.3 points toward the Republican candidate; the 2024 margin was 21.1 points.
A population of 8,915, a 92% non-Hispanic-white share, and a median household income of $99,667 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 145 and State House District 147.
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 →
Maine 150th State House District. Akashic. https://akashic.app/sld-lower/23150/. Accessed May 20, 2026. License: CC BY 4.0.