Overview
- District ID
- ma-hd-129
- State
- Massachusetts
- Chamber
- Lower chamber
- District Code
- 129
- Land Area
- 1.94 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 | 1.94 sq mi | 100.0% | 3.3% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| Boston city | 1.94 sq mi | 100.0% | 4.0% |
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 | 44,897 | 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
- 20,257
- Active Voters
- 17,907 (88.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 8,707 | 43.0% |
| Republican | <10 | — |
| Unaffiliated | 0 | 0.0% |
| Other parties | 11,125 | 54.9% |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 4,968 (24.5%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 10,314 (50.9%) | 3,061 (15.1%) | 195 (1.0%) |
| 2021–2022 | 7,168 (35.4%) | 3,198 (15.8%) | 50 (0.2%) |
| 2019–2020 | 10,326 (51.0%) | 6,375 (31.5%) | 120 (0.6%) |
| 2017–2018 | 7,308 (36.1%) | 3,421 (16.9%) | 66 (0.3%) |
| 2015–2016 | 8,453 (41.7%) | 4,536 (22.4%) | 155 (0.8%) |
| 2013–2014 | 5,568 (27.5%) | 1,837 (9.1%) | 43 (0.2%) |
| 2011–2012 | 7,226 (35.7%) | 1,772 (8.7%) | 73 (0.4%) |
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
- 42,448 (± 1,845)
- Median Age
- 24.3
- Median Household Income
- $52,451 (± $4,513)
- High School Graduate or Higher (age 25+)
- 81.8%
- Bachelor's Degree or Higher (age 25+)
- 35.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 5,456 | 12.9% |
| 18 to 64 | 32,866 | 77.4% |
| 65 and over | 4,126 | 9.7% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 10,300 | 24.3% |
| White, not Hispanic | 12,309 | 29.0% |
| Black, not Hispanic | 12,342 | 29.1% |
| Asian, not Hispanic | 4,564 | 10.8% |
| American Indian / Alaska Native, not Hispanic | 32 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 21 | 0.0% |
| Some other race, not Hispanic | 661 | 1.6% |
| Two or more races, not Hispanic | 2,219 | 5.2% |
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
- 37,724
- Citizen Voting Age Population (CVAP)
- 32,640
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 29,139 | 77.2% |
| Hispanic | 8,590 | 22.8% |
| White | 11,921 | 31.6% |
| Black | 12,549 | 33.3% |
| Asian | 2,926 | 7.8% |
| American Indian / Alaska Native | 43 | 0.1% |
| Native Hawaiian / Pacific Islander | 19 | 0.1% |
| Two or More Races | 98 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 26,135 | 80.1% |
| Hispanic | 6,503 | 19.9% |
| White | 11,566 | 35.4% |
| Black | 11,105 | 34.0% |
| Asian | 3,228 | 9.9% |
| American Indian / Alaska Native | 267 | 0.8% |
| Native Hawaiian / Pacific Islander | 24 | 0.1% |
| Two or More Races | 85 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
