- Lead
- 2,526
- Total
- 6,058
- vs nation
- D+43.2
Maine 151st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,431
- Total
- 5,957
- vs nation
- D+36.4
- Lead
- 1,610
- Total
- 5,193
- vs nation
- D+28.9
- Lead
- 2,158
- Total
- 5,067
- vs nation
- D+38.7
- Lead
- 2,397
- Total
- 5,183
- vs nation
- D+39.0
- Lead
- 1,812
- Total
- 5,074
- vs nation
- D+38.2
- Lead
- 1,341
- Total
- 4,239
- vs nation
- D+31.1
- Lead
- 1,594
- Total
- 3,926
- vs nation
- D+32.1
Key facts
- 2024 presidential margin
- D+41.7MIT Election Lab
- Population
- 9,3882024 5-year
- Population density
- 562 / sq mi2024 5-year · TIGER/Line
- Land area
- 16.7 sq miTIGER/Line
- Median household income
- $92,4052024 5-year
- White (non-Hispanic)
- 88.0%2024 5-year
- Black
- 1.7%2024 5-year
- Hispanic / Latino
- 4.2%2024 5-year
- Peak Democratic margin
- D+64.3 in 1964MIT Election Lab
- Peak Republican margin
- R+18.1 in 1924MIT Election Lab
- Most similar
- State House District 135, ME · twin score 97.0
presidential history
Party record book
Maine 151st 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
82.2%
1,973 votes · D+64.3 · modeled estimate
Runner-up · Barack Obama, 2008 · 72.5%
Republican
Calvin Coolidge1924
56.2%
519 votes · R+18.1 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 55.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
4,223votes
69.7% of the vote · D+41.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 4,111 votes
Republican
Donald Trump2024
1,697votes
28.0% of the vote · D+41.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 1,680 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
+46.4pts D vs U.S.
Place D+45.7 · U.S. R+0.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · +43.2 pts
Republican
William McKinley1896
+1.6pts R vs U.S.
Place R+7.6 · U.S. R+6.1 · modeled estimate
Runner-up · Herbert Hoover, 1932 · −3.1 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 | 60.3%2,244 | 39.7%1,475 | 3,719 |
With a 2024 presidential margin of D+41.7, this compact district votes among the most lopsidedly of any state house seat in Maine, suggesting a dense, heavily urban core electorate with little competitive variance cycle to cycle.
Across the recorded series it reached a Democratic high of 64.3 points in 1964 and a Republican high of 18.1 points in 1924. Between 2020 and 2024 the district moved 0.9 points toward the Democratic candidate; the 2024 margin was 41.7 points.
A population of 9,388, a 88% non-Hispanic-white share, and a median household income of $92,405 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 135 and State House District 101.
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 151st State House District. Akashic. https://akashic.app/sld-lower/23151/. Accessed May 20, 2026. License: CC BY 4.0.