- Lead
- 1,715
- Total
- 5,414
- vs nation
- D+33.1
Maine 128th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,754
- Total
- 5,451
- vs nation
- D+27.7
- Lead
- 822
- Total
- 4,873
- vs nation
- D+14.8
- Lead
- 796
- Total
- 4,730
- vs nation
- D+13.0
- Lead
- 932
- Total
- 4,615
- vs nation
- D+12.9
- Lead
- 359
- Total
- 4,646
- vs nation
- D+10.2
- Lead
- 44
- Total
- 4,121
- vs nation
- D+0.5
- Lead
- 443
- Total
- 3,729
- vs nation
- D+3.4
Key facts
- 2024 presidential margin
- D+31.7MIT Election Lab
- Population
- 9,4062024 5-year
- Population density
- 904 / sq mi2024 5-year · TIGER/Line
- Land area
- 10.4 sq miTIGER/Line
- Median household income
- $107,3132024 5-year
- White (non-Hispanic)
- 80.4%2024 5-year
- Black
- 8.7%2024 5-year
- Hispanic / Latino
- 2.6%2024 5-year
- Peak Democratic margin
- D+32.2 in 2020MIT Election Lab
- Peak Republican margin
- R+59.0 in 1924MIT Election Lab
- Most similar
- State House District 127, ME · twin score 95.4
presidential history
Party record book
Maine 128th 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
Joe Biden2020
64.6%
3,519 votes · D+32.2 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 64.6%
Republican
Dwight D. Eisenhower1956
75.9%
1,590 votes · R+51.8 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 75.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
3,519votes
64.6% of the vote · D+32.2 · modeled estimate
Runner-up · Kamala Harris, 2024 · 3,491 votes
Republican
Ronald Reagan1984
2,116votes
61.8% of the vote · R+23.9 · modeled estimate
Runner-up · George W. Bush, 2004 · 2,099 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
+33.1pts D vs U.S.
Place D+31.7 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +27.7 pts
Republican
Herbert Hoover1932
+49.4pts R vs U.S.
Place R+31.7 · U.S. D+17.8 · 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 |
|---|---|---|---|---|
| 2018 | D | 69.4%2,974 | 30.6%1,310 | 4,284 |
With a 2024 presidential margin of D+31.7, this Portland-area district ranks among the most reliably left-of-center constituencies in the state, leaving competitive general elections rare.
Across the recorded series it reached a Democratic high of 32.2 points in 2020 and a Republican high of 59.0 points in 1924. Between 2020 and 2024 the district moved 0.5 points toward the Republican candidate; the 2024 margin was 31.7 points.
A population of 9,406, a 80% non-Hispanic-white share, and a median household income of $107,313 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 127 and State House District 126.
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 128th State House District. Akashic. https://akashic.app/sld-lower/23128/. Accessed May 20, 2026. License: CC BY 4.0.