New York Assembly District 13

State Legislative District Profile (Lower Chamber)

Overview

District ID
ny-hd-013
State
New York
Chamber
Lower chamber
District Code
013
Land Area
38.1 sq mi
Water Area
54 sq mi

Boundary

Boundary of New York Assembly District 13

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Nassau County38.13 sq mi100.0%13.4%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Old Westbury village8.18 sq mi21.5%95.4%
Glen Cove city6.17 sq mi16.2%92.6%
Hicksville CDP3.55 sq mi9.3%52.3%
Jericho CDP2.87 sq mi7.5%72.4%
Westbury village2.11 sq mi5.5%90.0%
East Hills village1.83 sq mi4.8%80.3%
Lattingtown village1.61 sq mi4.2%43.0%
New Cassel CDP1.49 sq mi3.9%100.0%
Bayville village1.46 sq mi3.8%100.0%
Plainview CDP1.33 sq mi3.5%23.2%
Cove Neck village1.28 sq mi3.4%100.0%
Roslyn Harbor village1.19 sq mi3.1%100.0%
Sea Cliff village1.11 sq mi2.9%100.0%
Centre Island village1.09 sq mi2.9%100.0%
Syosset CDP0.65 sq mi1.7%13.2%
Glenwood Landing CDP0.58 sq mi1.5%59.6%
Roslyn village0.29 sq mi0.8%44.5%
Greenvale CDP0.25 sq mi0.7%99.9%
Oyster Bay CDP0.23 sq mi0.6%18.9%
Brookville village0.20 sq mi0.5%5.1%
Oyster Bay Cove village0.12 sq mi0.3%2.9%
Mill Neck village0.08 sq mi0.2%2.9%
Woodbury village0.01 sq mi<0.1%<0.1%

Showing all 23 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 3130,999100.0%16.9%100.0%

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

Voters

Registered Voters
94,203
Active Voters
88,210 (93.6%)

Party Registration

PartyVotersShare
Democratic38,24240.6%
Republican23,69625.2%
Unaffiliated00.0%
Other parties3,7013.9%
No party recorded28,56430.3%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202627,498 (29.2%)16 (0.0%)0 (0.0%)
2023–202460,509 (64.2%)4,429 (4.7%)974 (1.0%)
2021–202243,668 (46.4%)7,879 (8.4%)3,537 (3.8%)
2019–202058,270 (61.9%)8,984 (9.5%)347 (0.4%)
2017–201841,584 (44.1%)7,665 (8.1%)188 (0.2%)
2015–201647,612 (50.5%)9,907 (10.5%)5,869 (6.2%)
2013–201426,595 (28.2%)4,026 (4.3%)930 (1.0%)
2011–201236,881 (39.2%)349 (0.4%)1,163 (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
128,255 (± 2,327)
Median Age
42.4
Median Household Income
$141,239 (± $3,978)
High School Graduate or Higher (age 25+)
90.6%
Bachelor's Degree or Higher (age 25+)
51.2%

Population by Age

GroupPeopleShare
Under 1826,33820.5%
18 to 6477,33560.3%
65 and over24,58219.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)30,89724.1%
White, not Hispanic63,73449.7%
Black, not Hispanic8,9677.0%
Asian, not Hispanic19,71015.4%
American Indian / Alaska Native, not Hispanic240.0%
Native Hawaiian / Pacific Islander, not Hispanic500.0%
Some other race, not Hispanic1,1920.9%
Two or more races, not Hispanic3,6812.9%

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
113,727
Citizen Voting Age Population (CVAP)
88,577

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic91,39180.4%
Hispanic22,33019.6%
White63,99956.3%
Black9,0948.0%
Asian15,99414.1%
American Indian / Alaska Native360.0%
Native Hawaiian / Pacific Islander480.0%
Two or More Races5670.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic73,68683.2%
Hispanic14,89216.8%
White53,87460.8%
Black7,8628.9%
Asian11,10012.5%
American Indian / Alaska Native3200.4%
Native Hawaiian / Pacific Islander490.1%
Two or More Races5200.6%

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