- Lead
- 82,837
- Total
- 109,393
- vs nation
- D+77.2
New York 30th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 104,741
- Total
- 122,251
- vs nation
- D+81.2
- Lead
- 108,355
- Total
- 120,396
- vs nation
- D+87.9
- Lead
- 91,864
- Total
- 104,766
- vs nation
- D+83.8
- Lead
- 105,403
- Total
- 118,009
- vs nation
- D+82.0
- Lead
- 95,389
- Total
- 110,599
- vs nation
- D+88.7
- Lead
- 82,992
- Total
- 98,742
- vs nation
- D+83.5
- Lead
- 72,192
- Total
- 85,526
- vs nation
- D+75.9
Key facts
- 2024 presidential margin
- D+75.7MIT Election Lab
- Population
- 318,1362024 5-year
- Population density
- 77,594 / sq mi2024 5-year · TIGER/Line
- Land area
- 4.1 sq miTIGER/Line
- Median household income
- $58,9032024 5-year
- White (non-Hispanic)
- 21.2%2024 5-year
- Black
- 34.6%2024 5-year
- Hispanic / Latino
- 31.9%2024 5-year
- Peak Democratic margin
- D+90.0 in 2016MIT Election Lab
- Most similar
- Second Suffolk District, MA · twin score 96.4
presidential history
Party record book
New York 30th 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
Barack Obama2008
94.3%
111,302 votes · D+89.3 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 93.5%
Republican
Warren G. Harding1920
34.6%
18,081 votes · D+15.7 · modeled estimate
Runner-up · William McKinley, 1896 · 26.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
113,004votes
92.4% of the vote · D+85.7 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 112,586 votes
Republican
Dwight D. Eisenhower1952
19,749votes
18.8% of the vote · D+49.3 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 19,738 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
Walter Mondale1984
+95.0pts D vs U.S.
Place D+76.8 · U.S. R+18.2 · modeled estimate
Runner-up · George McGovern, 1972 · +93.8 pts
Republican
William H. Taft1912
−33.0pts R vs U.S.
Place D+52.5 · U.S. D+19.5 · modeled estimate
Runner-up · Thomas E. Dewey, 1944 · −39.6 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.
The district recorded a Democratic presidential margin of D+75.7 in 2024, compared with D+89.3 in 2008. No racial group formed a majority of its residents in the 2024 ACS 5-year, with White residents at 48.3%.
Across the recorded series it reached a Democratic high of 90.0 points in 2016. Between 2020 and 2024 the district moved 10.0 points toward the Republican candidate; the 2024 margin was 75.7 points.
A population of 318,136, a 21% non-Hispanic-white share, and a median household income of $58,903 describe the district. The district's voting pattern over the last decade is most similar to that of Second Suffolk District and State Senate District 25.
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 30th State Senate District. Akashic. https://akashic.app/sld-upper/36030/. Accessed May 20, 2026. License: CC BY 4.0.