Overview
- District ID
- ma-hd-066
- State
- Massachusetts
- Chamber
- Lower chamber
- District Code
- 066
- Land Area
- 69.4 sq mi
- Water Area
- 2.51 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 2 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 | 33,754 | 77.0% | 4.3% | 64.7% |
| MA District 4 | 10,059 | 23.0% | 1.3% | 35.3% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 33,641
- Active Voters
- 29,326 (87.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 7,289 | 21.7% |
| Republican | 3,272 | 9.7% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 23,080 | 68.6% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 4,594 (13.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 26,597 (79.1%) | 6,575 (19.5%) | 4,857 (14.4%) |
| 2021–2022 | 19,496 (58.0%) | 5,353 (15.9%) | 1,847 (5.5%) |
| 2019–2020 | 24,189 (71.9%) | 12,414 (36.9%) | 2,595 (7.7%) |
| 2017–2018 | 18,821 (55.9%) | 3,305 (9.8%) | 1,675 (5.0%) |
| 2015–2016 | 20,281 (60.3%) | 7,014 (20.8%) | 4,490 (13.3%) |
| 2013–2014 | 13,841 (41.1%) | 2,425 (7.2%) | 854 (2.5%) |
| 2011–2012 | 17,342 (51.6%) | 1,532 (4.6%) | 2,569 (7.6%) |
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
- 44,705 (± 476)
- Median Age
- 43.2
- Median Household Income
- $184,238 (± $5,407)
- High School Graduate or Higher (age 25+)
- 97.1%
- Bachelor's Degree or Higher (age 25+)
- 70.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 11,346 | 25.4% |
| 18 to 64 | 25,896 | 57.9% |
| 65 and over | 7,463 | 16.7% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,899 | 4.2% |
| White, not Hispanic | 34,218 | 76.5% |
| Black, not Hispanic | 241 | 0.5% |
| Asian, not Hispanic | 5,568 | 12.5% |
| American Indian / Alaska Native, not Hispanic | 0 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 8 | 0.0% |
| Some other race, not Hispanic | 445 | 1.0% |
| Two or more races, not Hispanic | 2,326 | 5.2% |
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
- 41,392
- Citizen Voting Age Population (CVAP)
- 30,525
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 39,731 | 96.0% |
| Hispanic | 1,659 | 4.0% |
| White | 34,541 | 83.4% |
| Black | 257 | 0.6% |
| Asian | 3,524 | 8.5% |
| American Indian / Alaska Native | 0 | 0.0% |
| Native Hawaiian / Pacific Islander | 6 | 0.0% |
| Two or More Races | 153 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 29,615 | 97.0% |
| Hispanic | 907 | 3.0% |
| White | 26,996 | 88.4% |
| Black | 298 | 1.0% |
| Asian | 2,103 | 6.9% |
| American Indian / Alaska Native | 59 | 0.2% |
| Native Hawaiian / Pacific Islander | 6 | 0.0% |
| Two or More Races | 156 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).