- Lead
- 44,467
- Total
- 96,502
- vs nation
- D+47.6
New York 31st State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 77,454
- Total
- 111,470
- vs nation
- D+65.0
- Lead
- 90,770
- Total
- 109,156
- vs nation
- D+81.1
- Lead
- 79,422
- Total
- 98,359
- vs nation
- D+76.9
- Lead
- 86,362
- Total
- 106,767
- vs nation
- D+73.6
- Lead
- 73,775
- Total
- 99,256
- vs nation
- D+76.8
- Lead
- 67,297
- Total
- 88,669
- vs nation
- D+75.4
- Lead
- 60,331
- Total
- 78,927
- vs nation
- D+67.9
Key facts
- 2024 presidential margin
- D+46.1MIT Election Lab
- Population
- 318,9732024 5-year
- Population density
- 65,097 / sq mi2024 5-year · TIGER/Line
- Land area
- 4.9 sq miTIGER/Line
- Median household income
- $57,9042024 5-year
- White (non-Hispanic)
- 15.1%2024 5-year
- Black
- 14.0%2024 5-year
- Hispanic / Latino
- 66.9%2024 5-year
- Peak Democratic margin
- D+83.2 in 2016MIT Election Lab
- Peak Republican margin
- R+16.0 in 1920MIT Election Lab
- Most similar
- State Senate District 29, NJ · twin score 96.5
presidential history
Party record book
New York 31st 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
Hillary Clinton2016
90.2%
98,440 votes · D+83.2 · modeled estimate
Runner-up · Barack Obama, 2008 · 90.1%
Republican
Warren G. Harding1920
50.5%
28,627 votes · R+16.0 · modeled estimate
Runner-up · William McKinley, 1896 · 41.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Hillary Clinton2016
98,440votes
90.2% of the vote · D+83.2 · modeled estimate
Runner-up · Barack Obama, 2008 · 96,246 votes
Republican
Dwight D. Eisenhower1956
41,351votes
35.6% of the vote · D+28.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 40,280 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
Hillary Clinton2016
+81.1pts D vs U.S.
Place D+83.2 · U.S. D+2.1 · modeled estimate
Runner-up · Barack Obama, 2012 · +76.9 pts
Republican
Warren G. Harding1920
−10.2pts R vs U.S.
Place R+16.0 · U.S. R+26.2 · modeled estimate
Runner-up · Thomas E. Dewey, 1944 · −14.6 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.
New York 31st State Senate District sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 83.2 points in 2016 and a Republican high of 16.0 points in 1920. Between 2020 and 2024 the district moved 23.4 points toward the Republican candidate; the 2024 margin was 46.1 points.
A population of 318,973, a 15% non-Hispanic-white share, and a median household income of $57,904 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 29 and State Senate District 29.
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 31st State Senate District. Akashic. https://akashic.app/sld-upper/36031/. Accessed May 20, 2026. License: CC BY 4.0.