- Lead
- 4,929
- Total
- 24,788
- vs nation
- D+21.4
Maine 12th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,201
- Total
- 24,669
- vs nation
- D+16.6
- Lead
- 3,452
- Total
- 22,155
- vs nation
- D+13.5
- Lead
- 5,054
- Total
- 21,112
- vs nation
- D+20.1
- Lead
- 5,018
- Total
- 22,053
- vs nation
- D+15.5
- Lead
- 2,799
- Total
- 22,272
- vs nation
- D+15.0
- Lead
- 720
- Total
- 19,594
- vs nation
- D+3.2
- Lead
- 2,741
- Total
- 18,020
- vs nation
- D+6.7
Key facts
- 2024 presidential margin
- D+19.9MIT Election Lab
- Population
- 38,9142024 5-year
- Population density
- 124 / sq mi2024 5-year · TIGER/Line
- Land area
- 314 sq miTIGER/Line
- Median household income
- $74,4142024 5-year
- White (non-Hispanic)
- 92.4%2024 5-year
- Black
- 0.7%2024 5-year
- Hispanic / Latino
- 1.6%2024 5-year
- Peak Democratic margin
- D+31.2 in 1912MIT Election Lab
- Peak Republican margin
- R+61.7 in 1956MIT Election Lab
- Most similar
- State Senate District 7, ME · twin score 95.8
presidential history
Party record book
Maine 12th State Senate 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
62.2%
6,816 votes · D+24.3 · modeled estimate
Runner-up · Barack Obama, 2012 · 60.8%
Republican
Dwight D. Eisenhower1956
80.9%
8,361 votes · R+61.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 77.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
14,632votes
59.3% of the vote · D+21.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · 14,597 votes
Republican
Ronald Reagan1984
10,662votes
64.3% of the vote · R+29.1 · modeled estimate
Runner-up · Donald Trump, 2024 · 9,668 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
Kamala Harris2024
+21.4pts D vs U.S.
Place D+19.9 · U.S. R+1.5 · modeled estimate
Runner-up · Barack Obama, 2012 · +20.1 pts
Republican
Thomas E. Dewey1948
+50.2pts R vs U.S.
Place R+45.7 · U.S. D+4.5 · modeled estimate
Runner-up · Alf Landon, 1936 · +46.7 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 | 65.9%12,043 | 34.1%6,243 | 18,286 |
Maine 12th State Senate District sits in New England. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 31.2 points in 1912 and a Republican high of 61.7 points in 1956. Between 2020 and 2024 the district moved 1.2 points toward the Republican candidate; the 2024 margin was 19.9 points.
A population of 38,914, a 92% non-Hispanic-white share, and a median household income of $74,414 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 7 and State Senate District 24.
The state-senate 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 12th State Senate District. Akashic. https://akashic.app/sld-upper/23012/. Accessed May 20, 2026. License: CC BY 4.0.