Overview
- District ID
- ma-hd-128
- State
- Massachusetts
- Chamber
- Lower chamber
- District Code
- 128
- Land Area
- 3.09 sq mi
- Water Area
- 0 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 |
|---|
| Suffolk County | 3.09 sq mi | 100.0% | 5.3% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| Boston city | 3.09 sq mi | 100.0% | 6.4% |
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 |
|---|
| MA District 7 | 44,758 | 100.0% | 5.7% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 28,810
- Active Voters
- 26,373 (91.5%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 12,863 | 44.6% |
| Republican | <10 | — |
| Unaffiliated | 0 | 0.0% |
| Other parties | 15,400 | 53.5% |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 6,598 (22.9%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 15,054 (52.3%) | 4,244 (14.7%) | 321 (1.1%) |
| 2021–2022 | 10,565 (36.7%) | 4,565 (15.8%) | 119 (0.4%) |
| 2019–2020 | 15,496 (53.8%) | 9,177 (31.9%) | 234 (0.8%) |
| 2017–2018 | 10,825 (37.6%) | 4,908 (17.0%) | 135 (0.5%) |
| 2015–2016 | 12,851 (44.6%) | 6,594 (22.9%) | 254 (0.9%) |
| 2013–2014 | 8,576 (29.8%) | 2,597 (9.0%) | 73 (0.3%) |
| 2011–2012 | 11,203 (38.9%) | 1,978 (6.9%) | 138 (0.5%) |
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
- 49,568 (± 2,632)
- Median Age
- 35.6
- Median Household Income
- $68,764 (± $10,187)
- High School Graduate or Higher (age 25+)
- 83.3%
- Bachelor's Degree or Higher (age 25+)
- 25.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 12,261 | 24.7% |
| 18 to 64 | 30,795 | 62.1% |
| 65 and over | 6,512 | 13.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 12,920 | 26.1% |
| White, not Hispanic | 4,543 | 9.2% |
| Black, not Hispanic | 25,796 | 52.0% |
| Asian, not Hispanic | 1,788 | 3.6% |
| American Indian / Alaska Native, not Hispanic | 57 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 244 | 0.5% |
| Two or more races, not Hispanic | 4,220 | 8.5% |
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
- 42,459
- Citizen Voting Age Population (CVAP)
- 31,143
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 32,557 | 76.7% |
| Hispanic | 9,903 | 23.3% |
| White | 4,474 | 10.5% |
| Black | 24,949 | 58.8% |
| Asian | 1,420 | 3.3% |
| American Indian / Alaska Native | 49 | 0.1% |
| Native Hawaiian / Pacific Islander | 3 | 0.0% |
| Two or More Races | 182 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 24,685 | 79.3% |
| Hispanic | 6,453 | 20.7% |
| White | 3,830 | 12.3% |
| Black | 19,392 | 62.3% |
| Asian | 1,244 | 4.0% |
| American Indian / Alaska Native | 272 | 0.9% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 179 | 0.6% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
