New York 21st 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
84.2%
83,778 votes · D+69.3 · modeled estimate
Runner-up · Al Gore, 2000 · 83.1%
Republican
Warren G. Harding1920
61.4%
34,860 votes · R+32.2 · modeled estimate
Runner-up · William McKinley, 1896 · 53.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
97,034votes
81.5% of the vote · D+63.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 94,911 votes
Republican
Dwight D. Eisenhower1956
54,890votes
41.5% of the vote · D+16.9 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 53,256 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
+68.7pts D vs U.S.
Place D+69.2 · U.S. D+0.5 · modeled estimate
Runner-up · Barack Obama, 2012 · +65.4 pts
Republican
Warren G. Harding1920
+6.0pts R vs U.S.
Place R+32.2 · U.S. R+26.2 · modeled estimate
Runner-up · William McKinley, 1896 · +3.6 pts
current representation
Current officeholders
DKevin ParkerState Senate · 21
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
D
77.4%69,836
22.6%20,436
90,272
2018
D
85.5%44,938
14.5%7,623
52,561
The district recorded a Democratic presidential margin of D+51.4 in 2024, compared with D+64.2 in 2008. No racial group formed a majority of its residents in the 2024 ACS 5-year, with White residents at 37.9%.
Across the recorded series it reached a Democratic high of 69.3 points in 1996 and a Republican high of 32.2 points in 1920. Between 2020 and 2024 the district moved 12.3 points toward the Republican candidate; the 2024 margin was 51.4 points.
A population of 319,169, a 24% non-Hispanic-white share, and a median household income of $85,566 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 19 and State Senate District 14.
Akashic
Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
New York 21st State Senate District. Akashic. https://akashic.app/sld-upper/36021/. Accessed May 20, 2026. License: CC BY 4.0.
How did New York 21st State Senate District vote in 2024?
In 2024, New York 21st State Senate District voted Democratic by 51.4 points (D+51.4), carried by the Democratic candidate. Out of 110,431 votes cast, 82,830 went Democratic and 26,074 went Republican.
When did New York 21st State Senate District last vote Republican?
The most recent presidential election in which New York 21st State Senate District voted Republican was 1924.
How many people live in New York 21st State Senate District?
New York 21st State Senate District has a population of 319,169 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in New York 21st State Senate District?
Median household income in New York 21st State Senate District is $85,566 — above the national median of $80,734. The New York state median is $85,974.
What is the political history of New York 21st State Senate District?
Akashic tracks 38 presidential elections in New York 21st State Senate District from 1876 to 2024. Of those, 34 went Democratic and 4 went Republican.