Overview
- District ID
- ma-sd-d36
- State
- Massachusetts
- Chamber
- Upper chamber (state senate)
- District Code
- D36
- Land Area
- 327.4 sq mi
- Water Area
- 32.3 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 10 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 4 | 111,229 | 61.1% | 14.2% | 50.1% |
| MA District 9 | 70,759 | 38.9% | 9.1% | 49.9% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 150,336
- Active Voters
- 117,774 (78.3%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 24,482 | 16.3% |
| Republican | <10 | — |
| Unaffiliated | 0 | 0.0% |
| Other parties | 110,195 | 73.3% |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 22,575 (15.0%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 101,324 (67.4%) | 17,843 (11.9%) | 21,316 (14.2%) |
| 2021–2022 | 69,016 (45.9%) | 12,291 (8.2%) | 8,198 (5.5%) |
| 2019–2020 | 90,906 (60.5%) | 32,166 (21.4%) | 12,958 (8.6%) |
| 2017–2018 | 67,228 (44.7%) | 7,919 (5.3%) | 7,802 (5.2%) |
| 2015–2016 | 78,641 (52.3%) | 20,957 (13.9%) | 16,757 (11.1%) |
| 2013–2014 | 49,090 (32.7%) | 6,429 (4.3%) | 3,553 (2.4%) |
| 2011–2012 | 67,163 (44.7%) | 5,704 (3.8%) | 8,564 (5.7%) |
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
- 184,505 (± 50)
- Median Age
- 43.6
- Median Household Income
- $98,925 (± $3,261)
- High School Graduate or Higher (age 25+)
- 91.4%
- Bachelor's Degree or Higher (age 25+)
- 31.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 35,535 | 19.3% |
| 18 to 64 | 113,231 | 61.4% |
| 65 and over | 35,739 | 19.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 9,302 | 5.0% |
| White, not Hispanic | 149,716 | 81.1% |
| Black, not Hispanic | 7,054 | 3.8% |
| Asian, not Hispanic | 2,747 | 1.5% |
| American Indian / Alaska Native, not Hispanic | 146 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 37 | 0.0% |
| Some other race, not Hispanic | 4,211 | 2.3% |
| Two or more races, not Hispanic | 11,292 | 6.1% |
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
- 179,189
- Citizen Voting Age Population (CVAP)
- 144,388
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 170,440 | 95.1% |
| Hispanic | 8,752 | 4.9% |
| White | 154,480 | 86.2% |
| Black | 8,991 | 5.0% |
| Asian | 2,109 | 1.2% |
| American Indian / Alaska Native | 155 | 0.1% |
| Native Hawaiian / Pacific Islander | 321 | 0.2% |
| Two or More Races | 697 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 139,409 | 96.6% |
| Hispanic | 4,980 | 3.4% |
| White | 128,588 | 89.1% |
| Black | 7,575 | 5.2% |
| Asian | 1,819 | 1.3% |
| American Indian / Alaska Native | 1,011 | 0.7% |
| Native Hawaiian / Pacific Islander | 195 | 0.1% |
| Two or More Races | 581 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).