Overview
- District ID
- ny-sd-021
- State
- New York
- Chamber
- Upper chamber (state senate)
- District Code
- 021
- Land Area
- 7.91 sq mi
- Water Area
- 0.24 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 |
|---|
| Kings County | 7.91 sq mi | 100.0% | 11.4% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| New York city | 7.91 sq mi | 100.0% | 2.6% |
Showing all 1 place
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 9 | 270,301 | 84.7% | 34.8% | 72.5% |
| NY District 8 | 48,868 | 15.3% | 6.3% | 27.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 208,082
- Active Voters
- 196,503 (94.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 149,672 | 71.9% |
| Republican | 16,979 | 8.2% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 5,192 | 2.5% |
| No party recorded | 36,239 | 17.4% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 86,208 (41.4%) | 45,375 (21.8%) | 1,065 (0.5%) |
| 2023–2024 | 112,437 (54.0%) | 15,390 (7.4%) | 670 (0.3%) |
| 2021–2022 | 76,524 (36.8%) | 45,802 (22.0%) | 2,177 (1.0%) |
| 2019–2020 | 109,482 (52.6%) | 37,883 (18.2%) | 287 (0.1%) |
| 2017–2018 | 79,842 (38.4%) | 41,504 (19.9%) | 441 (0.2%) |
| 2015–2016 | 92,457 (44.4%) | 38,202 (18.4%) | 2,778 (1.3%) |
| 2013–2014 | 48,878 (23.5%) | 26,550 (12.8%) | 1,549 (0.7%) |
| 2011–2012 | 78,305 (37.6%) | 11,091 (5.3%) | 714 (0.3%) |
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
- 295,441 (± 6,293)
- Median Age
- 40.5
- Median Household Income
- $85,566 (± $2,906)
- High School Graduate or Higher (age 25+)
- 87.4%
- Bachelor's Degree or Higher (age 25+)
- 38.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 59,616 | 20.2% |
| 18 to 64 | 182,417 | 61.7% |
| 65 and over | 53,408 | 18.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 35,651 | 12.1% |
| White, not Hispanic | 68,097 | 23.0% |
| Black, not Hispanic | 141,485 | 47.9% |
| Asian, not Hispanic | 26,630 | 9.0% |
| American Indian / Alaska Native, not Hispanic | 357 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 130 | 0.0% |
| Some other race, not Hispanic | 3,020 | 1.0% |
| Two or more races, not Hispanic | 20,071 | 6.8% |
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
- 256,831
- Citizen Voting Age Population (CVAP)
- 200,214
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 227,721 | 88.7% |
| Hispanic | 29,104 | 11.3% |
| White | 67,087 | 26.1% |
| Black | 133,709 | 52.1% |
| Asian | 20,149 | 7.8% |
| American Indian / Alaska Native | 345 | 0.1% |
| Native Hawaiian / Pacific Islander | 112 | 0.0% |
| Two or More Races | 1,081 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 179,220 | 89.5% |
| Hispanic | 20,997 | 10.5% |
| White | 52,130 | 26.0% |
| Black | 109,804 | 54.8% |
| Asian | 15,985 | 8.0% |
| American Indian / Alaska Native | 966 | 0.5% |
| Native Hawaiian / Pacific Islander | 92 | 0.0% |
| Two or More Races | 598 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
