Massachusetts 8th Middlesex District

State Legislative District Profile (Lower Chamber)

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 of Massachusetts 8th Middlesex District

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Middlesex County60.67 sq mi87.4%7.4%
Norfolk County8.71 sq mi12.6%2.2%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Hopkinton CDP1.53 sq mi2.2%100.0%
Millis-Clicquot CDP1.42 sq mi2.0%45.3%

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 233,75477.0%4.3%64.7%
MA District 410,05923.0%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

PartyVotersShare
Democratic7,28921.7%
Republican3,2729.7%
Unaffiliated00.0%
Other parties23,08068.6%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20264,594 (13.7%)0 (0.0%)0 (0.0%)
2023–202426,597 (79.1%)6,575 (19.5%)4,857 (14.4%)
2021–202219,496 (58.0%)5,353 (15.9%)1,847 (5.5%)
2019–202024,189 (71.9%)12,414 (36.9%)2,595 (7.7%)
2017–201818,821 (55.9%)3,305 (9.8%)1,675 (5.0%)
2015–201620,281 (60.3%)7,014 (20.8%)4,490 (13.3%)
2013–201413,841 (41.1%)2,425 (7.2%)854 (2.5%)
2011–201217,342 (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

GroupPeopleShare
Under 1811,34625.4%
18 to 6425,89657.9%
65 and over7,46316.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)1,8994.2%
White, not Hispanic34,21876.5%
Black, not Hispanic2410.5%
Asian, not Hispanic5,56812.5%
American Indian / Alaska Native, not Hispanic00.0%
Native Hawaiian / Pacific Islander, not Hispanic80.0%
Some other race, not Hispanic4451.0%
Two or more races, not Hispanic2,3265.2%

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

GroupCitizensShare
Non-Hispanic39,73196.0%
Hispanic1,6594.0%
White34,54183.4%
Black2570.6%
Asian3,5248.5%
American Indian / Alaska Native00.0%
Native Hawaiian / Pacific Islander60.0%
Two or More Races1530.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic29,61597.0%
Hispanic9073.0%
White26,99688.4%
Black2981.0%
Asian2,1036.9%
American Indian / Alaska Native590.2%
Native Hawaiian / Pacific Islander60.0%
Two or More Races1560.5%

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