- Lead
- 42,521
- Total
- 87,141
- vs nation
- D+50.3
New York 18th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 59,179
- Total
- 95,564
- vs nation
- D+57.5
- Lead
- 66,127
- Total
- 82,371
- vs nation
- D+78.2
- Lead
- 62,654
- Total
- 75,485
- vs nation
- D+79.1
- Lead
- 61,276
- Total
- 76,438
- vs nation
- D+72.9
- Lead
- 50,712
- Total
- 67,393
- vs nation
- D+77.7
- Lead
- 51,994
- Total
- 64,097
- vs nation
- D+80.6
- Lead
- 45,360
- Total
- 56,500
- vs nation
- D+71.8
Key facts
- 2024 presidential margin
- D+48.8MIT Election Lab
- Population
- 319,0742024 5-year
- Population density
- 42,543 / sq mi2024 5-year · TIGER/Line
- Land area
- 7.5 sq miTIGER/Line
- Median household income
- $77,8202024 5-year
- White (non-Hispanic)
- 35.4%2024 5-year
- Black
- 12.1%2024 5-year
- Hispanic / Latino
- 42.4%2024 5-year
- Peak Democratic margin
- D+83.0 in 2012MIT Election Lab
- Peak Republican margin
- R+0.3 in 1920MIT Election Lab
- Most similar
- State Senate District 2, PA · twin score 95.8
presidential history
Party record book
New York 18th 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 Obama2012
90.9%
68,614 votes · D+83.0 · modeled estimate
Runner-up · Barack Obama, 2008 · 89.8%
Republican
Warren G. Harding1920
41.6%
13,234 votes · R+0.3 · modeled estimate
Runner-up · William McKinley, 1896 · 34.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
77,820votes
87.3% of the vote · D+74.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 76,927 votes
Republican
Dwight D. Eisenhower1956
22,106votes
26.2% of the vote · D+47.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 21,415 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
Al Gore2000
+80.6pts D vs U.S.
Place D+81.1 · U.S. D+0.5 · modeled estimate
Runner-up · Barack Obama, 2012 · +79.1 pts
Republican
William H. Taft1912
−22.3pts R vs U.S.
Place D+41.8 · U.S. D+19.5 · modeled estimate
Runner-up · Thomas E. Dewey, 1944 · −25.2 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 18th State Senate District sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 83.0 points in 2012 and a Republican high of 0.3 points in 1920. Between 2020 and 2024 the district moved 13.1 points toward the Republican candidate; the 2024 margin was 48.8 points.
A population of 319,074, a 35% non-Hispanic-white share, and a median household income of $77,820 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 2 and State Senate District 1.
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 18th State Senate District. Akashic. https://akashic.app/sld-upper/36018/. Accessed May 20, 2026. License: CC BY 4.0.