Overview
- District ID
- ma-sd-d03
- State
- Massachusetts
- Chamber
- Upper chamber (state senate)
- District Code
- D03
- Land Area
- 32.5 sq mi
- Water Area
- 1.61 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 |
|---|
| Hampden County | 32.47 sq mi | 100.0% | 5.3% |
Showing all 1 county
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 1 | 168,062 | 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
- 130,901
- Active Voters
- 117,811 (90.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 38,317 | 29.3% |
| Republican | 7,590 | 5.8% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 84,994 | 64.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 13,210 (10.1%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 55,320 (42.3%) | 12,155 (9.3%) | 3,901 (3.0%) |
| 2021–2022 | 30,622 (23.4%) | 8,742 (6.7%) | 1,635 (1.2%) |
| 2019–2020 | 55,919 (42.7%) | 22,035 (16.8%) | 3,121 (2.4%) |
| 2017–2018 | 35,578 (27.2%) | 9,371 (7.2%) | 1,705 (1.3%) |
| 2015–2016 | 47,583 (36.4%) | 17,803 (13.6%) | 4,104 (3.1%) |
| 2013–2014 | 29,059 (22.2%) | 7,932 (6.1%) | 946 (0.7%) |
| 2011–2012 | 39,855 (30.4%) | 7,544 (5.8%) | 2,034 (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
- 165,964 (± 2,638)
- Median Age
- 34.2
- Median Household Income
- $50,003 (± $2,266)
- High School Graduate or Higher (age 25+)
- 79.3%
- Bachelor's Degree or Higher (age 25+)
- 18.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 39,958 | 24.1% |
| 18 to 64 | 104,198 | 62.8% |
| 65 and over | 21,808 | 13.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 80,350 | 48.4% |
| White, not Hispanic | 50,491 | 30.4% |
| Black, not Hispanic | 26,648 | 16.1% |
| Asian, not Hispanic | 3,249 | 2.0% |
| American Indian / Alaska Native, not Hispanic | 108 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 470 | 0.3% |
| Two or more races, not Hispanic | 4,648 | 2.8% |
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
- 157,673
- Citizen Voting Age Population (CVAP)
- 118,825
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 81,333 | 51.6% |
| Hispanic | 76,339 | 48.4% |
| White | 49,701 | 31.5% |
| Black | 25,095 | 15.9% |
| Asian | 2,253 | 1.4% |
| American Indian / Alaska Native | 108 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 310 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 67,335 | 56.7% |
| Hispanic | 51,491 | 43.3% |
| White | 44,286 | 37.3% |
| Black | 20,209 | 17.0% |
| Asian | 2,346 | 2.0% |
| American Indian / Alaska Native | 548 | 0.5% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 124 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).