- Lead
- 46,367
- Total
- 163,501
- vs nation
- D+29.8
New York 55th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 50,518
- Total
- 172,177
- vs nation
- D+24.9
- Lead
- 34,506
- Total
- 156,678
- vs nation
- D+19.9
- Lead
- 38,224
- Total
- 150,405
- vs nation
- D+21.6
- Lead
- 40,316
- Total
- 160,597
- vs nation
- D+17.8
- Lead
- 16,237
- Total
- 152,585
- vs nation
- D+13.1
- Lead
- 19,735
- Total
- 142,083
- vs nation
- D+13.4
- Lead
- 31,616
- Total
- 140,113
- vs nation
- D+14.0
Key facts
- 2024 presidential margin
- D+28.4MIT Election Lab
- Population
- 321,1082024 5-year
- Population density
- 2,018 / sq mi2024 5-year · TIGER/Line
- Land area
- 159 sq miTIGER/Line
- Median household income
- $81,9512024 5-year
- White (non-Hispanic)
- 69.8%2024 5-year
- Black
- 12.2%2024 5-year
- Hispanic / Latino
- 10.2%2024 5-year
- Peak Democratic margin
- D+50.0 in 1964MIT Election Lab
- Peak Republican margin
- R+32.7 in 1920MIT Election Lab
- Most similar
- State Senate District 17, PA · twin score 87.0
presidential history
Party record book
New York 55th State Senate 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
74.9%
98,172 votes · D+50.0 · modeled estimate
Runner-up · Joe Biden, 2020 · 63.4%
Republican
Dwight D. Eisenhower1956
63.2%
74,925 votes · R+26.4 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 59.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
109,111votes
63.4% of the vote · D+29.3 · modeled estimate
Runner-up · Barack Obama, 2008 · 99,155 votes
Republican
Richard Nixon1972
80,181votes
58.1% of the vote · R+16.5 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 74,925 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
+27.4pts D vs U.S.
Place D+50.0 · U.S. D+22.6 · modeled estimate
Runner-up · Joe Biden, 2020 · +24.9 pts
Republican
Charles E. Hughes1916
+22.8pts R vs U.S.
Place R+19.6 · U.S. D+3.1 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +17.0 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
New York 55th State Senate District sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 50.0 points in 1964 and a Republican high of 32.7 points in 1920. Between 2020 and 2024 the district moved 1.0 points toward the Republican candidate; the 2024 margin was 28.4 points.
A population of 321,108, a 70% non-Hispanic-white share, and a median household income of $81,951 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 17 and State Senate District 42.
The state-senate 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 55th State Senate District. Akashic. https://akashic.app/sld-upper/36055/. Accessed May 20, 2026. License: CC BY 4.0.