Overview
- District ID
- ma-sd-d07
- State
- Massachusetts
- Chamber
- Upper chamber (state senate)
- District Code
- D07
- Land Area
- 442.6 sq mi
- Water Area
- 15.8 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 11 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 1 | 91,012 | 50.1% | 11.7% | 58.1% |
| MA District 2 | 66,070 | 36.4% | 8.5% | 33.2% |
| MA District 4 | 24,627 | 13.6% | 3.2% | 8.8% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 151,434
- Active Voters
- 125,707 (83.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 21,728 | 14.3% |
| Republican | 17,805 | 11.8% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 111,901 | 73.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 16,203 (10.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 104,277 (68.9%) | 16,559 (10.9%) | 23,012 (15.2%) |
| 2021–2022 | 70,912 (46.8%) | 12,633 (8.3%) | 9,774 (6.5%) |
| 2019–2020 | 94,646 (62.5%) | 32,484 (21.5%) | 13,448 (8.9%) |
| 2017–2018 | 68,832 (45.5%) | 8,075 (5.3%) | 8,793 (5.8%) |
| 2015–2016 | 81,378 (53.7%) | 20,373 (13.5%) | 18,605 (12.3%) |
| 2013–2014 | 52,924 (34.9%) | 6,148 (4.1%) | 5,264 (3.5%) |
| 2011–2012 | 68,505 (45.2%) | 4,140 (2.7%) | 8,864 (5.9%) |
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
- 183,284 (± 266)
- Median Age
- 43.0
- Median Household Income
- $105,691 (± $4,041)
- High School Graduate or Higher (age 25+)
- 92.9%
- Bachelor's Degree or Higher (age 25+)
- 35.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 38,542 | 21.0% |
| 18 to 64 | 111,753 | 61.0% |
| 65 and over | 32,989 | 18.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 17,854 | 9.7% |
| White, not Hispanic | 151,443 | 82.6% |
| Black, not Hispanic | 3,251 | 1.8% |
| Asian, not Hispanic | 3,451 | 1.9% |
| American Indian / Alaska Native, not Hispanic | 69 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 45 | 0.0% |
| Some other race, not Hispanic | 988 | 0.5% |
| Two or more races, not Hispanic | 6,183 | 3.4% |
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
- 179,233
- Citizen Voting Age Population (CVAP)
- 141,176
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 162,283 | 90.5% |
| Hispanic | 16,945 | 9.5% |
| White | 152,744 | 85.2% |
| Black | 2,918 | 1.6% |
| Asian | 2,674 | 1.5% |
| American Indian / Alaska Native | 64 | 0.0% |
| Native Hawaiian / Pacific Islander | 46 | 0.0% |
| Two or More Races | 410 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 130,333 | 92.3% |
| Hispanic | 10,843 | 7.7% |
| White | 124,260 | 88.0% |
| Black | 2,585 | 1.8% |
| Asian | 2,670 | 1.9% |
| American Indian / Alaska Native | 572 | 0.4% |
| Native Hawaiian / Pacific Islander | 11 | 0.0% |
| Two or More Races | 296 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).