New York Assembly District 1

State Legislative District Profile (Lower Chamber)

Overview

District ID
ny-hd-001
State
New York
Chamber
Lower chamber
District Code
001
Land Area
284.8 sq mi
Water Area
833.9 sq mi

Boundary

Boundary of New York Assembly District 1

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Suffolk County285.05 sq mi100.0%31.3%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Montauk CDP18.49 sq mi6.5%100.0%
Northwest Harbor CDP14.47 sq mi5.1%100.0%
Bridgehampton CDP13.01 sq mi4.6%100.0%
Hampton Bays CDP12.94 sq mi4.5%100.0%
Westhampton CDP12.66 sq mi4.4%100.0%
Flanders CDP11.50 sq mi4.0%100.0%
Northampton CDP11.37 sq mi4.0%100.0%
North Sea CDP11.05 sq mi3.9%100.0%
Water Mill CDP10.58 sq mi3.7%100.0%
Southold CDP10.46 sq mi3.7%100.0%
Cutchogue CDP9.78 sq mi3.4%100.0%
Mattituck CDP8.98 sq mi3.2%100.0%
East Quogue CDP8.71 sq mi3.1%100.0%
Springs CDP8.48 sq mi3.0%100.0%
Noyack CDP8.40 sq mi2.9%100.0%
Southampton village6.74 sq mi2.4%100.0%
Wainscott CDP6.73 sq mi2.4%99.9%
Amagansett CDP6.59 sq mi2.3%100.0%
Shelter Island CDP6.56 sq mi2.3%100.0%
East Hampton North CDP5.57 sq mi2.0%100.0%
Shelter Island Heights CDP5.40 sq mi1.9%100.0%
Orient CDP5.13 sq mi1.8%100.0%
East Hampton village4.77 sq mi1.7%100.0%
Eastport CDP4.45 sq mi1.6%100.0%
Sagaponack village4.41 sq mi1.5%100.0%

Showing top 25 of 45 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 1128,473100.0%16.5%100.0%

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

Voters

Registered Voters
94,424
Active Voters
91,556 (97.0%)

Party Registration

PartyVotersShare
Democratic34,93037.0%
Republican25,86427.4%
Unaffiliated00.0%
Other parties5,6596.0%
No party recorded27,97129.6%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202631,717 (33.6%)61 (0.1%)<10 (—)
2023–202465,698 (69.6%)7,667 (8.1%)1,978 (2.1%)
2021–202253,209 (56.4%)7,664 (8.1%)5,496 (5.8%)
2019–202064,692 (68.5%)11,841 (12.5%)226 (0.2%)
2017–201850,009 (53.0%)10,175 (10.8%)1,803 (1.9%)
2015–201653,357 (56.5%)10,316 (10.9%)7,359 (7.8%)
2013–201432,779 (34.7%)2,916 (3.1%)2,558 (2.7%)
2011–201243,713 (46.3%)1,175 (1.2%)1,784 (1.9%)

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
129,486 (± 748)
Median Age
48.4
Median Household Income
$127,022 (± $5,774)
High School Graduate or Higher (age 25+)
92.0%
Bachelor's Degree or Higher (age 25+)
50.7%

Population by Age

GroupPeopleShare
Under 1823,66718.3%
18 to 6472,52156.0%
65 and over33,29825.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)26,71420.6%
White, not Hispanic91,18270.4%
Black, not Hispanic4,0473.1%
Asian, not Hispanic2,9262.3%
American Indian / Alaska Native, not Hispanic4470.3%
Native Hawaiian / Pacific Islander, not Hispanic110.0%
Some other race, not Hispanic8780.7%
Two or more races, not Hispanic3,2812.5%

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
116,959
Citizen Voting Age Population (CVAP)
94,316

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic99,89185.4%
Hispanic17,06614.6%
White91,32778.1%
Black3,8683.3%
Asian2,2541.9%
American Indian / Alaska Native4480.4%
Native Hawaiian / Pacific Islander120.0%
Two or More Races4520.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic84,58989.7%
Hispanic9,72710.3%
White78,02482.7%
Black3,8474.1%
Asian1,9632.1%
American Indian / Alaska Native5330.6%
Native Hawaiian / Pacific Islander90.0%
Two or More Races3290.3%

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