99chambers

New York State Assembly seat · lines in effect since 2024

New York Assembly District 129

A district of about 137,000 people, 35% of adults with a bachelor's degree. It votes D+31.5 relative to the nation for president.

Bill Magnarelli (D) · since Nov 3, 1998Next election Nov 7, 2028The 2026 race →

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+31.555th most
Democratic
Most DemocraticMost Republican76th seat · the majority lineDistrict 129

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.

2026
New York State AssemblyD+30.8

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 ElectionsUpdated 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 129.

Adults with a bachelor's degree35% 43rd pct · 86th of 150 in NY

Lower than 57% of seats.

White adults without a degree44% 72nd pct · 43rd of 150 in NY

Higher than 72% of seats.

Hispanic residents8% 25th pct · 113th of 150 in NY

Lower than 75% of seats.

Black residents15% 72nd pct · 42nd of 150 in NY

Higher than 72% of seats.

Asian residents7% 60th pct · 61st of 150 in NY

Higher than 60% of seats.

People per square mile2,086 41st pct · 89th of 150 in NY

Less dense than 59% of seats.

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

Seats most like this one

Nearest seats on demographics, density and lean.

District 128
36% college gradsD+31.1Held DDistrict 149
38% college gradsD+21.1Held DDistrict 138
47% college gradsD+30.0Held DDistrict 136
42% college gradsD+38.6Held D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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

Who has held it

These lines took effect in 2024.

  1. Maurice Brown (D)
    2027– · Won 2026 by 30.8
  2. William B. Magnarelli (D)
    2025–2027 · Won 2024 by 97.0

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