Overview
- District ID
- ma-sd-d05
- State
- Massachusetts
- Chamber
- Upper chamber (state senate)
- District Code
- D05
- Land Area
- 735.3 sq mi
- Water Area
- 47.5 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
Places
Showing all 14 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 2 | 151,037 | 90.1% | 19.3% | 88.9% |
| MA District 3 | 16,679 | 9.9% | 2.1% | 11.1% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 116,757
- Active Voters
- 96,124 (82.3%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 32,633 | 27.9% |
| Republican | <10 | — |
| Unaffiliated | 0 | 0.0% |
| Other parties | 76,649 | 65.6% |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 28,423 (24.3%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 82,041 (70.3%) | 24,659 (21.1%) | 10,843 (9.3%) |
| 2021–2022 | 62,251 (53.3%) | 20,399 (17.5%) | 4,015 (3.4%) |
| 2019–2020 | 75,697 (64.8%) | 44,507 (38.1%) | 6,085 (5.2%) |
| 2017–2018 | 59,430 (50.9%) | 23,635 (20.2%) | 3,639 (3.1%) |
| 2015–2016 | 64,482 (55.2%) | 32,601 (27.9%) | 8,493 (7.3%) |
| 2013–2014 | 45,535 (39.0%) | 11,518 (9.9%) | 2,538 (2.2%) |
| 2011–2012 | 55,059 (47.2%) | 11,407 (9.8%) | 4,760 (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
- 168,453 (± 533)
- Median Age
- 37.5
- Median Household Income
- $77,011 (± $2,351)
- High School Graduate or Higher (age 25+)
- 94.2%
- Bachelor's Degree or Higher (age 25+)
- 46.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 26,117 | 15.5% |
| 18 to 64 | 110,539 | 65.6% |
| 65 and over | 31,797 | 18.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 11,726 | 7.0% |
| White, not Hispanic | 135,456 | 80.4% |
| Black, not Hispanic | 4,071 | 2.4% |
| Asian, not Hispanic | 8,649 | 5.1% |
| American Indian / Alaska Native, not Hispanic | 68 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 21 | 0.0% |
| Some other race, not Hispanic | 719 | 0.4% |
| Two or more races, not Hispanic | 7,743 | 4.6% |
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
- 161,441
- Citizen Voting Age Population (CVAP)
- 135,643
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 150,982 | 93.5% |
| Hispanic | 10,456 | 6.5% |
| White | 136,186 | 84.4% |
| Black | 3,812 | 2.4% |
| Asian | 5,473 | 3.4% |
| American Indian / Alaska Native | 66 | 0.0% |
| Native Hawaiian / Pacific Islander | 37 | 0.0% |
| Two or More Races | 550 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 128,249 | 94.5% |
| Hispanic | 7,398 | 5.5% |
| White | 116,696 | 86.0% |
| Black | 4,270 | 3.1% |
| Asian | 6,105 | 4.5% |
| American Indian / Alaska Native | 867 | 0.6% |
| Native Hawaiian / Pacific Islander | 16 | 0.0% |
| Two or More Races | 336 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
