New York Assembly District 91

State Legislative District Profile (Lower Chamber)

Overview

District ID
ny-hd-091
State
New York
Chamber
Lower chamber
District Code
091
Land Area
22.7 sq mi
Water Area
24.8 sq mi

Boundary

Boundary of New York Assembly District 91

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Westchester County22.68 sq mi100.0%5.3%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Rye city5.85 sq mi25.8%100.0%
Rye Brook village3.43 sq mi15.1%100.0%
New Rochelle city3.22 sq mi14.2%31.3%
Mamaroneck village3.21 sq mi14.2%100.0%
Port Chester village2.33 sq mi10.3%100.0%
Larchmont village1.10 sq mi4.8%100.0%

Showing all 6 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
NY District 16139,469100.0%18.0%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
88,411
Active Voters
82,968 (93.8%)

Party Registration

PartyVotersShare
Democratic43,02948.7%
Republican15,74717.8%
Unaffiliated00.0%
Other parties3,5514.0%
No party recorded26,08429.5%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202621,576 (24.4%)55 (0.1%)<10 (—)
2023–202458,629 (66.3%)13,442 (15.2%)115 (0.1%)
2021–202241,253 (46.7%)9,693 (11.0%)2,159 (2.4%)
2019–202056,073 (63.4%)12,279 (13.9%)405 (0.5%)
2017–201840,879 (46.2%)10,627 (12.0%)163 (0.2%)
2015–201645,967 (52.0%)2,898 (3.3%)320 (0.4%)
2013–201423,994 (27.1%)3,527 (4.0%)382 (0.4%)
2011–201235,794 (40.5%)129 (0.1%)46 (0.1%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 01/05/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
140,759 (± 1,843)
Median Age
41.3
Median Household Income
$114,059 (± $4,953)
High School Graduate or Higher (age 25+)
87.4%
Bachelor's Degree or Higher (age 25+)
53.6%

Population by Age

GroupPeopleShare
Under 1829,76921.1%
18 to 6486,88361.7%
65 and over24,10717.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)44,83831.9%
White, not Hispanic70,18349.9%
Black, not Hispanic12,2138.7%
Asian, not Hispanic6,9324.9%
American Indian / Alaska Native, not Hispanic2630.2%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic1,5441.1%
Two or more races, not Hispanic4,7863.4%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
120,820
Citizen Voting Age Population (CVAP)
92,601

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic88,40873.2%
Hispanic32,41726.8%
White68,80556.9%
Black11,4119.4%
Asian5,2344.3%
American Indian / Alaska Native3130.3%
Native Hawaiian / Pacific Islander00.0%
Two or More Races5610.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic69,47075.0%
Hispanic23,13225.0%
White54,10258.4%
Black10,22411.0%
Asian4,3974.7%
American Indian / Alaska Native4310.5%
Native Hawaiian / Pacific Islander20.0%
Two or More Races3260.4%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).