New York Assembly District 3

State Legislative District Profile (Lower Chamber)

Overview

District ID
ny-hd-003
State
New York
Chamber
Lower chamber
District Code
003
Land Area
71.7 sq mi
Water Area
36.4 sq mi

Boundary

Boundary of New York Assembly District 3

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Suffolk County71.68 sq mi100.0%7.9%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Yaphank CDP12.90 sq mi18.0%94.6%
Shirley CDP10.85 sq mi15.1%95.9%
Medford CDP9.14 sq mi12.8%84.6%
East Patchogue CDP6.94 sq mi9.7%83.5%
Brookhaven CDP5.80 sq mi8.1%100.0%
North Bellport CDP4.91 sq mi6.8%100.0%
Mastic Beach CDP4.90 sq mi6.8%100.0%
Mastic CDP3.82 sq mi5.3%98.9%
Middle Island CDP3.35 sq mi4.7%40.8%
Ridge CDP2.94 sq mi4.1%22.3%
Fire Island CDP2.11 sq mi2.9%23.0%
Bellport village1.42 sq mi2.0%98.2%
Holtsville CDP1.09 sq mi1.5%15.3%
North Patchogue CDP0.49 sq mi0.7%24.7%
Manorville CDP0.03 sq mi<0.1%0.1%

Showing all 15 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 2109,54082.9%14.1%74.6%
NY District 122,54517.1%2.9%25.4%

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

Voters

Registered Voters
94,009
Active Voters
90,776 (96.6%)

Party Registration

PartyVotersShare
Democratic29,62431.5%
Republican28,94230.8%
Unaffiliated00.0%
Other parties6,1546.5%
No party recorded29,28931.2%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202614,441 (15.4%)16 (0.0%)<10 (—)
2023–202459,083 (62.8%)1,284 (1.4%)1,418 (1.5%)
2021–202242,306 (45.0%)3,118 (3.3%)6,119 (6.5%)
2019–202056,823 (60.4%)6,650 (7.1%)218 (0.2%)
2017–201839,953 (42.5%)5,116 (5.4%)1,347 (1.4%)
2015–201646,610 (49.6%)6,437 (6.8%)6,294 (6.7%)
2013–201421,741 (23.1%)1,108 (1.2%)1,939 (2.1%)
2011–201235,704 (38.0%)186 (0.2%)1,092 (1.2%)

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
136,388 (± 3,723)
Median Age
38.6
Median Household Income
$109,846 (± $4,052)
High School Graduate or Higher (age 25+)
88.9%
Bachelor's Degree or Higher (age 25+)
27.2%

Population by Age

GroupPeopleShare
Under 1831,33623.0%
18 to 6485,37262.6%
65 and over19,68014.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)33,54224.6%
White, not Hispanic83,19761.0%
Black, not Hispanic11,0658.1%
Asian, not Hispanic3,7192.7%
American Indian / Alaska Native, not Hispanic3930.3%
Native Hawaiian / Pacific Islander, not Hispanic110.0%
Some other race, not Hispanic4890.4%
Two or more races, not Hispanic3,9722.9%

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
126,821
Citizen Voting Age Population (CVAP)
96,280

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic100,37479.1%
Hispanic26,44920.9%
White83,17965.6%
Black10,4728.3%
Asian2,9472.3%
American Indian / Alaska Native3770.3%
Native Hawaiian / Pacific Islander120.0%
Two or More Races7910.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic80,22683.3%
Hispanic16,05516.7%
White68,42971.1%
Black8,7789.1%
Asian2,2172.3%
American Indian / Alaska Native6750.7%
Native Hawaiian / Pacific Islander100.0%
Two or More Races3330.3%

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