- Lead
- 1,959
- Total
- 6,273
- vs nation
- D+32.7
Maine 99th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,996
- Total
- 6,322
- vs nation
- D+27.1
- Lead
- 1,320
- Total
- 5,556
- vs nation
- D+21.7
- Lead
- 1,286
- Total
- 5,388
- vs nation
- D+20.0
- Lead
- 1,459
- Total
- 5,319
- vs nation
- D+20.2
- Lead
- 819
- Total
- 5,299
- vs nation
- D+17.9
- Lead
- 385
- Total
- 4,638
- vs nation
- D+7.8
- Lead
- 770
- Total
- 4,152
- vs nation
- D+10.0
Key facts
- 2024 presidential margin
- D+31.2MIT Election Lab
- Population
- 8,8452024 5-year
- Population density
- 253 / sq mi2024 5-year · TIGER/Line
- Land area
- 34.9 sq miTIGER/Line
- Median household income
- $73,0632024 5-year
- White (non-Hispanic)
- 91.6%2024 5-year
- Black
- 0.8%2024 5-year
- Hispanic / Latino
- 1.9%2024 5-year
- Peak Democratic margin
- D+36.9 in 1964MIT Election Lab
- Peak Republican margin
- R+55.7 in 1924MIT Election Lab
- Most similar
- State House District 125, ME · twin score 94.3
presidential history
Party record book
Maine 99th 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
68.4%
1,622 votes · D+36.9 · modeled estimate
Runner-up · Kamala Harris, 2024 · 64.6%
Republican
Calvin Coolidge1924
75.2%
879 votes · R+55.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 73.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
4,074votes
64.4% of the vote · D+31.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 4,052 votes
Republican
Ronald Reagan1984
2,220votes
58.2% of the vote · R+16.5 · modeled estimate
Runner-up · George W. Bush, 2004 · 2,203 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
+32.7pts D vs U.S.
Place D+31.2 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +27.1 pts
Republican
Herbert Hoover1932
+43.3pts R vs U.S.
Place R+25.5 · U.S. D+17.8 · modeled estimate
Runner-up · Alf Landon, 1936 · +39.5 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%2,796 | 30.6%1,232 | 4,028 |
With a 2024 presidential margin of D+32, this small district of roughly 8,800 residents ranks among the most reliably left-leaning constituencies in the Maine House, leaving competitive general elections rare.
Across the recorded series it reached a Democratic high of 36.9 points in 1964 and a Republican high of 55.7 points in 1924. The 2024 margin was 31.2 points.
A population of 8,845, a 92% non-Hispanic-white share, and a median household income of $73,063 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 125 and State House District Grafton 02.
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 99th State House District. Akashic. https://akashic.app/sld-lower/23099/. Accessed May 20, 2026. License: CC BY 4.0.