New York 21st State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1900–2020 · 31 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
63.4%
41,636 votes · D+27.0 · modeled estimate
Runner-up · Al Gore, 2000 · 60.6%
Republican
Warren G. Harding1920
72.8%
3,146 votes · R+50.2 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 66.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
43,868votes
58.7% of the vote · D+18.9 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 41,636 votes
Republican
Richard Nixon1972
42,253votes
60.4% of the vote · R+21.1 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 37,724 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
+24.5pts D vs U.S.
Place D+25.1 · U.S. D+0.5 · modeled estimate
Runner-up · Bill Clinton, 1996 · +16.3 pts
Republican
Thomas E. Dewey1948
+43.2pts R vs U.S.
Place R+38.8 · U.S. D+4.5 · modeled estimate
Runner-up · Thomas E. Dewey, 1944 · +40.6 pts
current representation
Current officeholders
DJudy GriffinState House · 21
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 1 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
51.2%33,965
48.8%32,316
66,281
Assembly District 21 returned a 9.7-point Democratic presidential margin in 2024, reflecting the solidly blue lean typical of New York's urban and inner-suburban legislative districts at this population density.
Across the recorded series it reached a Democratic high of 27.0 points in 1964 and a Republican high of 50.2 points in 1920. Between 2020 and 2024 the district moved 9.2 points toward the Republican candidate; the 2024 margin was 9.7 points.
A population of 139,714, a 51% non-Hispanic-white share, and a median household income of $140,950 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 95 and Assembly District 11.
Akashic
Political twins — state-house districts
The state-house 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 House District. Akashic. https://akashic.app/sld-lower/36021/. Accessed May 20, 2026. License: CC BY 4.0.
How did New York 21st State House District vote in 2024?
In 2024, New York 21st State House District voted Democratic by 9.7 points (D+9.7), carried by the Democratic candidate. Out of 72,935 votes cast, 39,671 went Democratic and 32,565 went Republican.
When did New York 21st State House District last vote Republican?
The most recent presidential election in which New York 21st State House District voted Republican was 1988.
How many people live in New York 21st State House District?
New York 21st State House District has a population of 139,714 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 House District?
Median household income in New York 21st State House District is $140,950 — 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 House District?
Akashic tracks 38 presidential elections in New York 21st State House District from 1876 to 2024. Of those, 12 went Democratic and 20 went Republican.