Overview
- District ID
- ny-sd-009
- State
- New York
- Chamber
- Upper chamber (state senate)
- District Code
- 009
- Land Area
- 42.1 sq mi
- Water Area
- 40.3 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Nassau County | 42.07 sq mi | 100.0% | 14.8% |
Showing all 1 county
Places
Showing top 25 of 38 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| NY District 4 | 325,310 | 100.0% | 41.9% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 249,830
- Active Voters
- 235,848 (94.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 101,352 | 40.6% |
| Republican | 73,358 | 29.4% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 9,014 | 3.6% |
| No party recorded | 66,106 | 26.5% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 74,162 (29.7%) | 38 (0.0%) | <10 (—) |
| 2023–2024 | 165,925 (66.4%) | 4,621 (1.8%) | 2,903 (1.2%) |
| 2021–2022 | 117,851 (47.2%) | 16,534 (6.6%) | 10,968 (4.4%) |
| 2019–2020 | 157,049 (62.9%) | 22,799 (9.1%) | 5,762 (2.3%) |
| 2017–2018 | 109,989 (44.0%) | 20,474 (8.2%) | 635 (0.3%) |
| 2015–2016 | 127,285 (50.9%) | 28,434 (11.4%) | 20,355 (8.1%) |
| 2013–2014 | 68,008 (27.2%) | 9,748 (3.9%) | 4,668 (1.9%) |
| 2011–2012 | 95,402 (38.2%) | 3,326 (1.3%) | 4,949 (2.0%) |
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
- 321,569 (± 2,973)
- Median Age
- 41.0
- Median Household Income
- $138,694 (± $4,128)
- High School Graduate or Higher (age 25+)
- 91.7%
- Bachelor's Degree or Higher (age 25+)
- 46.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 67,380 | 21.0% |
| 18 to 64 | 193,883 | 60.3% |
| 65 and over | 60,306 | 18.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 62,077 | 19.3% |
| White, not Hispanic | 164,605 | 51.2% |
| Black, not Hispanic | 42,349 | 13.2% |
| Asian, not Hispanic | 35,313 | 11.0% |
| American Indian / Alaska Native, not Hispanic | 57 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 11 | 0.0% |
| Some other race, not Hispanic | 4,709 | 1.5% |
| Two or more races, not Hispanic | 12,448 | 3.9% |
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
- 298,065
- Citizen Voting Age Population (CVAP)
- 232,394
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 245,901 | 82.5% |
| Hispanic | 52,163 | 17.5% |
| White | 166,216 | 55.8% |
| Black | 41,392 | 13.9% |
| Asian | 30,830 | 10.3% |
| American Indian / Alaska Native | 56 | 0.0% |
| Native Hawaiian / Pacific Islander | 32 | 0.0% |
| Two or More Races | 1,360 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 195,469 | 84.1% |
| Hispanic | 36,925 | 15.9% |
| White | 134,883 | 58.0% |
| Black | 35,391 | 15.2% |
| Asian | 23,851 | 10.3% |
| American Indian / Alaska Native | 591 | 0.3% |
| Native Hawaiian / Pacific Islander | 13 | 0.0% |
| Two or More Races | 906 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).