- Lead
- 9,513
- Total
- 149,000
- vs nation
- R+4.9
New York 45th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 484
- Total
- 149,081
- vs nation
- R+4.8
- Lead
- 5,584
- Total
- 131,628
- vs nation
- R+6.3
- Lead
- 21,465
- Total
- 125,679
- vs nation
- D+13.2
- Lead
- 21,012
- Total
- 138,174
- vs nation
- D+7.9
- Lead
- 2,486
- Total
- 138,797
- vs nation
- D+4.2
- Lead
- 3,579
- Total
- 129,153
- vs nation
- D+2.3
- Lead
- 19,700
- Total
- 122,914
- vs nation
- D+7.5
Key facts
- 2024 presidential margin
- R+6.4MIT Election Lab
- Population
- 325,4092024 5-year
- Population density
- 45 / sq mi2024 5-year · TIGER/Line
- Land area
- 7,244 sq miTIGER/Line
- Median household income
- $70,5872024 5-year
- White (non-Hispanic)
- 87.2%2024 5-year
- Black
- 2.7%2024 5-year
- Hispanic / Latino
- 3.0%2024 5-year
- Peak Democratic margin
- D+39.0 in 1964MIT Election Lab
- Peak Republican margin
- R+50.9 in 1956MIT Election Lab
- Most similar
- State Senate District 1, NH · twin score 83.0
presidential history
Party record book
New York 45th 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
69.5%
79,477 votes · D+39.0 · modeled estimate
Runner-up · Barack Obama, 2012 · 57.5%
Republican
Dwight D. Eisenhower1956
75.5%
87,020 votes · R+50.9 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 72.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
79,477votes
69.5% of the vote · D+39.0 · modeled estimate
Runner-up · Barack Obama, 2008 · 78,404 votes
Republican
Dwight D. Eisenhower1956
87,020votes
75.5% of the vote · R+50.9 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 81,661 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
+16.5pts D vs U.S.
Place D+39.0 · U.S. D+22.6 · modeled estimate
Runner-up · Barack Obama, 2012 · +13.2 pts
Republican
Alf Landon1936
+46.1pts R vs U.S.
Place R+21.8 · U.S. D+24.3 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · +35.5 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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 47.3%61,449 | 52.7%68,479 | 129,928 |
New York 45th State Senate District sits in the Mid-Atlantic. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 39.0 points in 1964 and a Republican high of 50.9 points in 1956. Between 2020 and 2024 the district moved 6.1 points toward the Republican candidate; the 2024 margin was 6.4 points.
A population of 325,409, a 87% non-Hispanic-white share, and a median household income of $70,587 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 1 and First Bristol and Plymouth District.
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 45th State Senate District. Akashic. https://akashic.app/sld-upper/36045/. Accessed May 20, 2026. License: CC BY 4.0.