New York State Assembly seat · lines in effect since 2024

New York Assembly District 21

A district of about 134,000 people, 21% Hispanic and 20% Black, 47% of adults with a bachelor's degree. It votes D+12.1 relative to the nation for president.

Where it sits among all 150 seats

Every New York State Assembly seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+12.180th most
Democratic
Most DemocraticMost Republican76th seat · the majority lineDistrict 21

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

20242026
U.S. SenateD+12.7No race
New York State AssemblyD+3.8D+20.7

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: New York State Board of Elections and civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 150 seats. Small marks are other seats in New York. The black marker is District 21.

Adults with a bachelor's degree47% 74th pct · 39th of 150 in NY

Higher than 74% of seats.

White adults without a degree24% 47th pct · 80th of 150 in NY

Lower than 53% of seats.

Hispanic residents21% 70th pct · 46th of 150 in NY

Higher than 70% of seats.

Black residents20% 79th pct · 33rd of 150 in NY

Higher than 79% of seats.

Asian residents5% 50th pct · 76th of 150 in NY

Higher than 50% of seats.

People per square mile7,950 58th pct · 63rd of 150 in NY

Denser than 58% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2024.

  1. Judy A. Griffin (D)
    2025– · Won 2024 by 3.8, 2026 by 20.7

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)