- Lead
- 2,474
- Total
- 5,752
- vs nation
- D+44.5
Maine 100th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,514
- Total
- 5,811
- vs nation
- D+38.8
- Lead
- 1,825
- Total
- 5,222
- vs nation
- D+32.9
- Lead
- 1,764
- Total
- 5,054
- vs nation
- D+31.0
- Lead
- 1,919
- Total
- 4,992
- vs nation
- D+31.2
- Lead
- 1,349
- Total
- 4,892
- vs nation
- D+30.0
- Lead
- 866
- Total
- 4,257
- vs nation
- D+19.8
- Lead
- 1,139
- Total
- 3,895
- vs nation
- D+20.7
Key facts
- 2024 presidential margin
- D+43.0MIT Election Lab
- Population
- 9,1082024 5-year
- Population density
- 902 / sq mi2024 5-year · TIGER/Line
- Land area
- 10.1 sq miTIGER/Line
- Median household income
- $73,7762024 5-year
- White (non-Hispanic)
- 83.1%2024 5-year
- Black
- 2.7%2024 5-year
- Hispanic / Latino
- 4.4%2024 5-year
- Peak Democratic margin
- D+47.5 in 1964MIT Election Lab
- Peak Republican margin
- R+46.4 in 1924MIT Election Lab
- Most similar
- State House District 115, ME · twin score 95.7
presidential history
Party record book
Maine 100th 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
73.7%
1,648 votes · D+47.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 70.3%
Republican
Calvin Coolidge1924
70.2%
694 votes · R+46.4 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 67.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
4,074votes
70.1% of the vote · D+43.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · 4,041 votes
Republican
Ronald Reagan1984
1,740votes
51.7% of the vote · R+3.5 · modeled estimate
Runner-up · George W. Bush, 2004 · 1,725 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
+44.5pts D vs U.S.
Place D+43.0 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +38.8 pts
Republican
Herbert Hoover1932
+29.9pts R vs U.S.
Place R+12.1 · U.S. D+17.8 · modeled estimate
Runner-up · Alf Landon, 1936 · +27.2 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%2,880 | 30.6%1,268 | 4,148 |
With a 2024 presidential margin of D+43.0, this compact Portland-area district ranks among Maine's most reliably Democratic legislative seats, anchoring the party's strength in Cumberland County's urban core.
Across the recorded series it reached a Democratic high of 47.5 points in 1964 and a Republican high of 46.4 points in 1924. The 2024 margin was 43.0 points.
A population of 9,108, a 83% non-Hispanic-white share, and a median household income of $73,776 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 115 and State House District Grafton 14.
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 100th State House District. Akashic. https://akashic.app/sld-lower/23100/. Accessed May 20, 2026. License: CC BY 4.0.