Overview
- District ID
- ma-sd-d34
- State
- Massachusetts
- Chamber
- Upper chamber (state senate)
- District Code
- D34
- Land Area
- 84.4 sq mi
- Water Area
- 2.9 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
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 |
|---|
| MA District 8 | 139,981 | 81.0% | 17.9% | 59.0% |
| MA District 9 | 18,388 | 10.6% | 2.4% | 36.7% |
| MA District 7 | 14,358 | 8.3% | 1.8% | 4.3% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 123,430
- Active Voters
- 84,977 (68.8%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 36,697 | 29.7% |
| Republican | <10 | — |
| Unaffiliated | 0 | 0.0% |
| Other parties | 77,987 | 63.2% |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 15,384 (12.5%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 70,985 (57.5%) | 15,142 (12.3%) | 11,605 (9.4%) |
| 2021–2022 | 48,584 (39.4%) | 12,509 (10.1%) | 5,851 (4.7%) |
| 2019–2020 | 72,009 (58.3%) | 30,748 (24.9%) | 7,929 (6.4%) |
| 2017–2018 | 50,922 (41.3%) | 8,714 (7.1%) | 5,544 (4.5%) |
| 2015–2016 | 60,619 (49.1%) | 20,366 (16.5%) | 9,660 (7.8%) |
| 2013–2014 | 38,123 (30.9%) | 6,769 (5.5%) | 2,236 (1.8%) |
| 2011–2012 | 50,993 (41.3%) | 5,504 (4.5%) | 5,103 (4.1%) |
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 12/07/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 172,568 (± 1,104)
- Median Age
- 38.3
- Median Household Income
- $92,025 (± $2,989)
- High School Graduate or Higher (age 25+)
- 86.3%
- Bachelor's Degree or Higher (age 25+)
- 27.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 40,941 | 23.7% |
| 18 to 64 | 104,926 | 60.8% |
| 65 and over | 26,701 | 15.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 17,967 | 10.4% |
| White, not Hispanic | 76,108 | 44.1% |
| Black, not Hispanic | 43,451 | 25.2% |
| Asian, not Hispanic | 4,314 | 2.5% |
| American Indian / Alaska Native, not Hispanic | 133 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 86 | 0.0% |
| Some other race, not Hispanic | 8,492 | 4.9% |
| Two or more races, not Hispanic | 22,017 | 12.8% |
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
- 154,957
- Citizen Voting Age Population (CVAP)
- 116,708
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 140,042 | 90.4% |
| Hispanic | 14,908 | 9.6% |
| White | 80,053 | 51.7% |
| Black | 51,162 | 33.0% |
| Asian | 3,515 | 2.3% |
| American Indian / Alaska Native | 180 | 0.1% |
| Native Hawaiian / Pacific Islander | 31 | 0.0% |
| Two or More Races | 1,021 | 0.7% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 107,556 | 92.2% |
| Hispanic | 9,153 | 7.8% |
| White | 65,816 | 56.4% |
| Black | 37,276 | 31.9% |
| Asian | 3,330 | 2.9% |
| American Indian / Alaska Native | 933 | 0.8% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 293 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
