Massachusetts 5th Norfolk District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-100
State
Massachusetts
Chamber
Lower chamber
District Code
100
Land Area
17.3 sq mi
Water Area
0.82 sq mi

Boundary

Boundary of Massachusetts 5th Norfolk District

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Norfolk County17.26 sq mi100.0%4.4%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Braintree Town city13.76 sq mi79.8%100.0%
Holbrook CDP3.49 sq mi20.2%48.2%

Showing all 2 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
MA District 844,899100.0%5.7%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
33,762
Active Voters
33,176 (98.3%)

Party Registration

PartyVotersShare
Democratic7,79523.1%
Republican2,7638.2%
Unaffiliated00.0%
Other parties23,20468.7%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20265,566 (16.5%)0 (0.0%)0 (0.0%)
2023–202423,412 (69.3%)4,424 (13.1%)4,732 (14.0%)
2021–202214,085 (41.7%)4,293 (12.7%)2,287 (6.8%)
2019–202022,586 (66.9%)10,608 (31.4%)3,325 (9.8%)
2017–201816,640 (49.3%)3,463 (10.3%)2,218 (6.6%)
2015–201618,882 (55.9%)7,327 (21.7%)4,145 (12.3%)
2013–201413,146 (38.9%)3,089 (9.1%)828 (2.5%)
2011–201216,394 (48.6%)1,646 (4.9%)2,111 (6.3%)

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
45,242 (± 855)
Median Age
41.7
Median Household Income
$123,718 (± $8,591)
High School Graduate or Higher (age 25+)
92.9%
Bachelor's Degree or Higher (age 25+)
46.1%

Population by Age

GroupPeopleShare
Under 189,35120.7%
18 to 6428,02661.9%
65 and over7,86517.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,2314.9%
White, not Hispanic29,23864.6%
Black, not Hispanic2,2635.0%
Asian, not Hispanic9,14520.2%
American Indian / Alaska Native, not Hispanic60.0%
Native Hawaiian / Pacific Islander, not Hispanic610.1%
Some other race, not Hispanic4401.0%
Two or more races, not Hispanic1,8584.1%

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
42,147
Citizen Voting Age Population (CVAP)
33,084

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic40,14595.2%
Hispanic1,9984.7%
White29,49770.0%
Black2,2915.4%
Asian7,25217.2%
American Indian / Alaska Native50.0%
Native Hawaiian / Pacific Islander1190.3%
Two or More Races610.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic31,88796.4%
Hispanic1,1983.6%
White24,47674.0%
Black1,7245.2%
Asian5,48916.6%
American Indian / Alaska Native850.3%
Native Hawaiian / Pacific Islander700.2%
Two or More Races380.1%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).