New York Assembly District 12

State Legislative District Profile (Lower Chamber)

Overview

District ID
ny-hd-012
State
New York
Chamber
Lower chamber
District Code
012
Land Area
55.9 sq mi
Water Area
43.1 sq mi

Boundary

Boundary of New York Assembly District 12

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Suffolk County55.89 sq mi100.0%6.1%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Lloyd Harbor village9.33 sq mi16.7%100.0%
Deer Park CDP5.91 sq mi10.6%95.8%
Fort Salonga CDP5.46 sq mi9.8%57.6%
East Northport CDP5.15 sq mi9.2%100.0%
Huntington CDP4.69 sq mi8.4%61.4%
Commack CDP3.92 sq mi7.0%32.0%
Brentwood CDP2.81 sq mi5.0%25.7%
Northport village2.30 sq mi4.1%100.0%
Centerport CDP2.21 sq mi4.0%100.0%
Dix Hills CDP1.88 sq mi3.4%12.0%
Elwood CDP1.85 sq mi3.3%38.7%
Baywood CDP1.83 sq mi3.3%80.0%
Greenlawn CDP1.57 sq mi2.8%41.0%
Asharoken village1.42 sq mi2.5%100.0%
Eatons Neck CDP1.00 sq mi1.8%100.0%
Huntington Bay village1.00 sq mi1.8%100.0%
North Bay Shore CDP0.94 sq mi1.7%29.3%
Cold Spring Harbor CDP0.91 sq mi1.6%26.8%
Halesite CDP0.89 sq mi1.6%99.9%
Bay Shore CDP0.55 sq mi1.0%9.7%
North Babylon CDP0.15 sq mi0.3%4.6%
Wheatley Heights CDP0.08 sq mi0.1%6.1%

Showing all 22 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 168,55053.4%8.8%50.6%
NY District 243,48033.9%5.6%21.9%
NY District 316,24112.7%2.1%27.5%

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

Voters

Registered Voters
104,605
Active Voters
101,469 (97.0%)

Party Registration

PartyVotersShare
Democratic34,03232.5%
Republican32,64331.2%
Unaffiliated00.0%
Other parties5,8305.6%
No party recorded32,10030.7%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202626,858 (25.7%)21 (0.0%)3,074 (2.9%)
2023–202473,506 (70.3%)3,358 (3.2%)1,330 (1.3%)
2021–202255,867 (53.4%)5,619 (5.4%)5,860 (5.6%)
2019–202071,050 (67.9%)9,161 (8.8%)1,090 (1.0%)
2017–201851,236 (49.0%)7,174 (6.9%)1,686 (1.6%)
2015–201658,496 (55.9%)9,148 (8.7%)8,394 (8.0%)
2013–201429,284 (28.0%)2,487 (2.4%)2,397 (2.3%)
2011–201246,010 (44.0%)188 (0.2%)1,537 (1.5%)

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
128,163 (± 3,262)
Median Age
44.3
Median Household Income
$157,758 (± $2,871)
High School Graduate or Higher (age 25+)
93.8%
Bachelor's Degree or Higher (age 25+)
51.8%

Population by Age

GroupPeopleShare
Under 1826,56720.7%
18 to 6477,65260.6%
65 and over23,94418.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)19,35315.1%
White, not Hispanic89,87370.1%
Black, not Hispanic6,5035.1%
Asian, not Hispanic6,4635.0%
American Indian / Alaska Native, not Hispanic820.1%
Native Hawaiian / Pacific Islander, not Hispanic10.0%
Some other race, not Hispanic1,3481.1%
Two or more races, not Hispanic4,5403.5%

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
123,175
Citizen Voting Age Population (CVAP)
97,311

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic106,69686.6%
Hispanic16,47513.4%
White91,59574.4%
Black6,8025.5%
Asian5,5854.5%
American Indian / Alaska Native820.1%
Native Hawaiian / Pacific Islander10.0%
Two or More Races3480.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic85,55787.9%
Hispanic11,75512.1%
White74,67776.7%
Black5,8816.0%
Asian4,6414.8%
American Indian / Alaska Native2550.3%
Native Hawaiian / Pacific Islander00.0%
Two or More Races1330.1%

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