- Lead
- 27,262
- Total
- 44,113
- vs nation
- D+63.3
New York 18th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 35,432
- Total
- 46,036
- vs nation
- D+72.5
- Lead
- 35,388
- Total
- 43,194
- vs nation
- D+79.8
- Lead
- 32,183
- Total
- 38,743
- vs nation
- D+79.2
- Lead
- 36,664
- Total
- 43,635
- vs nation
- D+76.8
- Lead
- 34,228
- Total
- 41,206
- vs nation
- D+85.5
- Lead
- 37,265
- Total
- 43,823
- vs nation
- D+84.5
- Lead
- 33,141
- Total
- 39,697
- vs nation
- D+75.0
Key facts
- 2024 presidential margin
- D+61.8MIT Election Lab
- Population
- 134,4992024 5-year
- Population density
- 10,675 / sq mi2024 5-year · TIGER/Line
- Land area
- 12.6 sq miTIGER/Line
- Median household income
- $108,8312024 5-year
- White (non-Hispanic)
- 5.7%2024 5-year
- Black
- 41.6%2024 5-year
- Hispanic / Latino
- 46.4%2024 5-year
- Peak Democratic margin
- D+93.9 in 1900MIT Election Lab
- Most similar
- Assembly District 89, NY · twin score 98.2
presidential history
Party record book
New York 18th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1900–2020 · 31 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
William J. Bryan1900
96.6%
692 votes · D+93.9 · modeled estimate
Runner-up · Alton B. Parker, 1904 · 96.3%
Republican
Thomas E. Dewey1948
20.8%
2,285 votes · D+51.1 · modeled estimate
Runner-up · Wendell Willkie, 1940 · 19.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
44,716votes
93.5% of the vote · D+87.0 · modeled estimate
Runner-up · Joe Biden, 2020 · 40,540 votes
Republican
Donald Trump2020
5,108votes
11.1% of the vote · D+77.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 4,829 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
Alton B. Parker1904
+112.9pts D vs U.S.
Place D+93.3 · U.S. R+19.7 · modeled estimate
Runner-up · William J. Bryan, 1900 · +101.4 pts
Republican
Thomas E. Dewey1948
−46.6pts R vs U.S.
Place D+51.1 · U.S. D+4.5 · modeled estimate
Runner-up · Thomas E. Dewey, 1944 · −48.3 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Assembly District 18 recorded a Democratic presidential margin exceeding 60 points in 2024, placing it among the most heavily one-sided state house districts in New York and reflecting the dense, urban concentration of its electorate.
Across the recorded series it reached a Democratic high of 93.9 points in 1900. Between 2020 and 2024 the district moved 15.2 points toward the Republican candidate; the 2024 margin was 61.8 points.
A population of 134,499, a 6% non-Hispanic-white share, and a median household income of $108,831 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 89 and 5th Suffolk District.
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 18th State House District. Akashic. https://akashic.app/sld-lower/36018/. Accessed May 20, 2026. License: CC BY 4.0.