New York State Senate District 31

State Legislative District Profile (Upper Chamber)

Overview

District ID
ny-sd-031
State
New York
Chamber
Upper chamber (state senate)
District Code
031
Land Area
4.93 sq mi
Water Area
2.25 sq mi

Boundary

Boundary of New York State Senate District 31

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
New York County2.93 sq mi59.4%12.9%
Bronx County2.00 sq mi40.6%4.7%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
New York city4.93 sq mi100.0%1.6%

Showing all 1 place

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 13294,95592.5%38.0%93.2%
NY District 1524,0187.5%3.1%6.8%

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

Voters

Registered Voters
201,112
Active Voters
184,197 (91.6%)

Party Registration

PartyVotersShare
Democratic148,81174.0%
Republican12,7196.3%
Unaffiliated00.0%
Other parties4,7712.4%
No party recorded34,81117.3%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202668,488 (34.1%)38,940 (19.4%)688 (0.3%)
2023–202497,717 (48.6%)16,420 (8.2%)513 (0.3%)
2021–202260,302 (30.0%)39,606 (19.7%)1,385 (0.7%)
2019–202093,413 (46.4%)31,746 (15.8%)361 (0.2%)
2017–201872,305 (36.0%)39,169 (19.5%)598 (0.3%)
2015–201687,090 (43.3%)42,555 (21.2%)2,009 (1.0%)
2013–201440,510 (20.1%)30,477 (15.2%)1,236 (0.6%)
2011–201265,581 (32.6%)17,178 (8.5%)697 (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
320,471 (± 7,241)
Median Age
38.2
Median Household Income
$57,904 (± $2,260)
High School Graduate or Higher (age 25+)
76.5%
Bachelor's Degree or Higher (age 25+)
32.7%

Population by Age

GroupPeopleShare
Under 1862,61219.5%
18 to 64206,77564.5%
65 and over51,08415.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)214,32166.9%
White, not Hispanic48,57315.2%
Black, not Hispanic38,30412.0%
Asian, not Hispanic9,6673.0%
American Indian / Alaska Native, not Hispanic4600.1%
Native Hawaiian / Pacific Islander, not Hispanic350.0%
Some other race, not Hispanic2,0500.6%
Two or more races, not Hispanic7,0612.2%

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
262,919
Citizen Voting Age Population (CVAP)
205,863

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic96,44336.7%
Hispanic166,47863.3%
White46,91917.8%
Black35,73613.6%
Asian7,5392.9%
American Indian / Alaska Native4600.2%
Native Hawaiian / Pacific Islander360.0%
Two or More Races1,1260.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic81,61539.6%
Hispanic124,25160.4%
White41,23520.0%
Black31,13715.1%
Asian7,6093.7%
American Indian / Alaska Native1,2380.6%
Native Hawaiian / Pacific Islander390.0%
Two or More Races7780.4%

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