Overview
- District ID
- nj-hd-031
- State
- New Jersey
- Chamber
- Lower chamber
- District Code
- 031
- Land Area
- 23.1 sq mi
- Water Area
- 12.2 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 |
|---|
| Hudson County | 23.08 sq mi | 100.0% | 50.0% |
Showing all 1 county
Places
Showing all 3 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 |
|---|
| NJ District 10 | 113,627 | 48.2% | 14.7% | 20.3% |
| NJ District 8 | 83,998 | 35.6% | 10.9% | 70.7% |
| NJ District 9 | 38,350 | 16.3% | 5.0% | 9.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 149,843
- Active Voters
- 135,056 (90.1%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 75,131 | 50.1% |
| Republican | 19,042 | 12.7% |
| Unaffiliated | 53,396 | 35.6% |
| Other parties | 2,274 | 1.5% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 56,516 (37.7%) | 21,172 (14.1%) | 3,532 (2.4%) |
| 2023–2024 | 77,889 (52.0%) | 15,468 (10.3%) | 2,965 (2.0%) |
| 2021–2022 | 45,819 (30.6%) | 11,550 (7.7%) | 2,268 (1.5%) |
| 2019–2020 | 79,513 (53.1%) | 20,718 (13.8%) | 2,767 (1.8%) |
| 2017–2018 | 52,790 (35.2%) | 14,186 (9.5%) | 1,949 (1.3%) |
| 2015–2016 | 60,266 (40.2%) | 18,905 (12.6%) | 2,915 (1.9%) |
| 2013–2014 | 31,396 (21.0%) | 11,354 (7.6%) | 1,769 (1.2%) |
| 2011–2012 | 47,352 (31.6%) | 6,989 (4.7%) | 1,038 (0.7%) |
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 01/02/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 240,686 (± 2,763)
- Median Age
- 37.1
- Median Household Income
- $77,202 (± $3,157)
- High School Graduate or Higher (age 25+)
- 88.1%
- Bachelor's Degree or Higher (age 25+)
- 37.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 55,225 | 22.9% |
| 18 to 64 | 151,205 | 62.8% |
| 65 and over | 34,256 | 14.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 82,868 | 34.4% |
| White, not Hispanic | 61,380 | 25.5% |
| Black, not Hispanic | 56,843 | 23.6% |
| Asian, not Hispanic | 26,372 | 11.0% |
| American Indian / Alaska Native, not Hispanic | 291 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 90 | 0.0% |
| Some other race, not Hispanic | 3,683 | 1.5% |
| Two or more races, not Hispanic | 9,159 | 3.8% |
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
- 206,764
- Citizen Voting Age Population (CVAP)
- 154,430
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 138,688 | 67.1% |
| Hispanic | 68,078 | 32.9% |
| White | 58,496 | 28.3% |
| Black | 55,296 | 26.7% |
| Asian | 19,401 | 9.4% |
| American Indian / Alaska Native | 289 | 0.1% |
| Native Hawaiian / Pacific Islander | 159 | 0.1% |
| Two or More Races | 1,257 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 108,250 | 70.1% |
| Hispanic | 46,182 | 29.9% |
| White | 47,605 | 30.8% |
| Black | 43,050 | 27.9% |
| Asian | 15,810 | 10.2% |
| American Indian / Alaska Native | 1,196 | 0.8% |
| Native Hawaiian / Pacific Islander | 153 | 0.1% |
| Two or More Races | 826 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).