Overview
- District ID
- ma-sd-d28
- State
- Massachusetts
- Chamber
- Upper chamber (state senate)
- District Code
- D28
- Land Area
- 15.7 sq mi
- Water Area
- 0.91 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 7 | 106,978 | 58.2% | 13.7% | 33.6% |
| MA District 5 | 76,969 | 41.8% | 9.9% | 66.4% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 104,695
- Active Voters
- 84,209 (80.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 36,759 | 35.1% |
| Republican | <10 | — |
| Unaffiliated | 0 | 0.0% |
| Other parties | 64,039 | 61.2% |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 26,365 (25.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 70,766 (67.6%) | 22,544 (21.5%) | 6,334 (6.0%) |
| 2021–2022 | 51,987 (49.7%) | 16,738 (16.0%) | 2,107 (2.0%) |
| 2019–2020 | 63,404 (60.6%) | 41,784 (39.9%) | 3,204 (3.1%) |
| 2017–2018 | 46,407 (44.3%) | 16,345 (15.6%) | 2,162 (2.1%) |
| 2015–2016 | 47,455 (45.3%) | 24,281 (23.2%) | 5,319 (5.1%) |
| 2013–2014 | 29,847 (28.5%) | 11,001 (10.5%) | 982 (0.9%) |
| 2011–2012 | 36,827 (35.2%) | 6,949 (6.6%) | 3,473 (3.3%) |
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
- 174,051 (± 2,381)
- Median Age
- 30.8
- Median Household Income
- $106,831 (± $3,207)
- High School Graduate or Higher (age 25+)
- 95.4%
- Bachelor's Degree or Higher (age 25+)
- 74.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 19,837 | 11.4% |
| 18 to 64 | 130,841 | 75.2% |
| 65 and over | 23,373 | 13.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 16,302 | 9.4% |
| White, not Hispanic | 107,963 | 62.0% |
| Black, not Hispanic | 8,121 | 4.7% |
| Asian, not Hispanic | 30,008 | 17.2% |
| American Indian / Alaska Native, not Hispanic | 138 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 73 | 0.0% |
| Some other race, not Hispanic | 1,656 | 1.0% |
| Two or more races, not Hispanic | 9,790 | 5.6% |
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
- 149,419
- Citizen Voting Age Population (CVAP)
- 130,932
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 136,634 | 91.4% |
| Hispanic | 12,784 | 8.6% |
| White | 103,757 | 69.4% |
| Black | 7,428 | 5.0% |
| Asian | 18,824 | 12.6% |
| American Indian / Alaska Native | 135 | 0.1% |
| Native Hawaiian / Pacific Islander | 72 | 0.0% |
| Two or More Races | 438 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 120,937 | 92.4% |
| Hispanic | 9,992 | 7.6% |
| White | 94,002 | 71.8% |
| Black | 8,279 | 6.3% |
| Asian | 17,936 | 13.7% |
| American Indian / Alaska Native | 465 | 0.4% |
| Native Hawaiian / Pacific Islander | 71 | 0.1% |
| Two or More Races | 270 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
