Overview
- District ID
- ma-sd-d38
- State
- Massachusetts
- Chamber
- Upper chamber (state senate)
- District Code
- D38
- Land Area
- 129.1 sq mi
- Water Area
- 104.2 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 5 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 9 | 167,853 | 100.0% | 21.5% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 128,505
- Active Voters
- 113,327 (88.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 30,385 | 23.6% |
| Republican | 9,560 | 7.4% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 88,560 | 68.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 17,016 (13.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 73,213 (57.0%) | 15,225 (11.8%) | 11,626 (9.0%) |
| 2021–2022 | 48,799 (38.0%) | 13,240 (10.3%) | 5,304 (4.1%) |
| 2019–2020 | 68,739 (53.5%) | 28,235 (22.0%) | 6,883 (5.4%) |
| 2017–2018 | 49,380 (38.4%) | 8,241 (6.4%) | 4,085 (3.2%) |
| 2015–2016 | 61,111 (47.6%) | 20,172 (15.7%) | 9,114 (7.1%) |
| 2013–2014 | 35,081 (27.3%) | 7,880 (6.1%) | 1,870 (1.5%) |
| 2011–2012 | 51,884 (40.4%) | 10,013 (7.8%) | 4,853 (3.8%) |
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
- 167,487 (± 44)
- Median Age
- 39.7
- Median Household Income
- $70,566 (± $2,345)
- High School Graduate or Higher (age 25+)
- 82.1%
- Bachelor's Degree or Higher (age 25+)
- 25.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 34,857 | 20.8% |
| 18 to 64 | 101,652 | 60.7% |
| 65 and over | 30,978 | 18.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 28,387 | 16.9% |
| White, not Hispanic | 112,752 | 67.3% |
| Black, not Hispanic | 5,442 | 3.2% |
| Asian, not Hispanic | 2,575 | 1.5% |
| American Indian / Alaska Native, not Hispanic | 189 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 31 | 0.0% |
| Some other race, not Hispanic | 5,136 | 3.1% |
| Two or more races, not Hispanic | 12,975 | 7.7% |
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
- 155,516
- Citizen Voting Age Population (CVAP)
- 122,080
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 132,779 | 85.4% |
| Hispanic | 22,737 | 14.6% |
| White | 116,233 | 74.7% |
| Black | 8,939 | 5.7% |
| Asian | 2,129 | 1.4% |
| American Indian / Alaska Native | 217 | 0.1% |
| Native Hawaiian / Pacific Islander | 30 | 0.0% |
| Two or More Races | 787 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 108,914 | 89.2% |
| Hispanic | 13,166 | 10.8% |
| White | 97,452 | 79.8% |
| Black | 8,031 | 6.6% |
| Asian | 1,995 | 1.6% |
| American Indian / Alaska Native | 1,059 | 0.9% |
| Native Hawaiian / Pacific Islander | 29 | 0.0% |
| Two or More Races | 518 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
