Overview
- District ID
- ma-hd-123
- State
- Massachusetts
- Chamber
- Lower chamber
- District Code
- 123
- Land Area
- 4.71 sq mi
- Water Area
- 3.47 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Suffolk County | 4.71 sq mi | 100.0% | 8.1% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| Boston city | 4.71 sq mi | 100.0% | 9.7% |
Showing all 1 place
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 | 43,066 | 100.0% | 5.5% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 24,592
- Active Voters
- 21,889 (89.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 7,904 | 32.1% |
| Republican | 1,023 | 4.2% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 15,665 | 63.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 5,778 (23.5%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 14,167 (57.6%) | 3,183 (12.9%) | 1,039 (4.2%) |
| 2021–2022 | 9,678 (39.4%) | 2,786 (11.3%) | 277 (1.1%) |
| 2019–2020 | 13,384 (54.4%) | 7,434 (30.2%) | 640 (2.6%) |
| 2017–2018 | 8,845 (36.0%) | 2,820 (11.5%) | 322 (1.3%) |
| 2015–2016 | 9,691 (39.4%) | 4,150 (16.9%) | 858 (3.5%) |
| 2013–2014 | 5,807 (23.6%) | 1,604 (6.5%) | 190 (0.8%) |
| 2011–2012 | 6,668 (27.1%) | 1,177 (4.8%) | 393 (1.6%) |
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
- 43,345 (± 2,199)
- Median Age
- 34.5
- Median Household Income
- $90,106 (± $8,311)
- High School Graduate or Higher (age 25+)
- 77.6%
- Bachelor's Degree or Higher (age 25+)
- 38.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,944 | 18.3% |
| 18 to 64 | 31,683 | 73.1% |
| 65 and over | 3,718 | 8.6% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 22,615 | 52.2% |
| White, not Hispanic | 15,230 | 35.1% |
| Black, not Hispanic | 1,561 | 3.6% |
| Asian, not Hispanic | 1,871 | 4.3% |
| American Indian / Alaska Native, not Hispanic | 0 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 489 | 1.1% |
| Two or more races, not Hispanic | 1,579 | 3.6% |
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
- 30,038
- Citizen Voting Age Population (CVAP)
- 23,153
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 18,760 | 62.5% |
| Hispanic | 11,274 | 37.5% |
| White | 15,241 | 50.7% |
| Black | 1,384 | 4.6% |
| Asian | 1,149 | 3.8% |
| American Indian / Alaska Native | 2 | 0.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 114 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 16,298 | 70.4% |
| Hispanic | 6,861 | 29.6% |
| White | 13,694 | 59.1% |
| Black | 1,234 | 5.3% |
| Asian | 1,150 | 5.0% |
| American Indian / Alaska Native | 107 | 0.5% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 114 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
