- Lead
- 413
- Total
- 53,885
- vs nation
- D+0.7
New York 100th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,910
- Total
- 54,003
- vs nation
- D+2.8
- Lead
- 1,446
- Total
- 46,018
- vs nation
- D+1.1
- Lead
- 8,583
- Total
- 43,910
- vs nation
- D+15.7
- Lead
- 9,154
- Total
- 47,754
- vs nation
- D+11.9
- Lead
- 3,080
- Total
- 45,736
- vs nation
- D+9.2
- Lead
- 5,494
- Total
- 41,614
- vs nation
- D+12.7
- Lead
- 10,101
- Total
- 40,041
- vs nation
- D+16.7
Key facts
- 2024 presidential margin
- R+0.8MIT Election Lab
- Population
- 131,6162024 5-year
- Population density
- 163 / sq mi2024 5-year · TIGER/Line
- Land area
- 808 sq miTIGER/Line
- Median household income
- $79,3592024 5-year
- White (non-Hispanic)
- 51.5%2024 5-year
- Black
- 14.0%2024 5-year
- Hispanic / Latino
- 26.7%2024 5-year
- Peak Democratic margin
- D+39.9 in 1964MIT Election Lab
- Peak Republican margin
- R+28.3 in 1956MIT Election Lab
- Most similar
- State House District 115, PA · twin score 88.8
presidential history
Party record book
New York 100th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2020 (partial returns from 1876) · 37 presidential cycles · 37 with a vote-share denominator · 33 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
69.9%
23,017 votes · D+39.9 · modeled estimate
Runner-up · Samuel J. Tilden, 1876 · 60.0%
Republican
Dwight D. Eisenhower1956
64.1%
19,301 votes · R+28.3 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 61.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
28,592votes
52.9% of the vote · D+7.2 · modeled estimate
Runner-up · Barack Obama, 2008 · 28,246 votes
Republican
Donald Trump2020
24,682votes
45.7% of the vote · D+7.2 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 22,362 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
Lyndon B. Johnson1964
+17.3pts D vs U.S.
Place D+39.9 · U.S. D+22.6 · modeled estimate
Runner-up · Bill Clinton, 1996 · +16.7 pts
Republican
Thomas E. Dewey1944
+21.3pts R vs U.S.
Place R+13.8 · U.S. D+7.5 · modeled estimate
Runner-up · Thomas E. Dewey, 1948 · +19.5 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.
Assembly District 100 sits at New York's competitive edge, where a 2024 presidential margin of R+0.8 reflects a district closely contested between urban-adjacent suburban voters and shifting demographic coalitions.
Across the recorded series it reached a Democratic high of 39.9 points in 1964 and a Republican high of 28.3 points in 1956. Between 2020 and 2024 the district moved 8.0 points toward the Republican candidate; the 2024 margin was 0.8 points.
A population of 131,616, a 52% non-Hispanic-white share, and a median household income of $79,359 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 189.
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 →
New York 100th State House District. Akashic. https://akashic.app/sld-lower/36100/. Accessed May 20, 2026. License: CC BY 4.0.