Massachusetts 24th Middlesex District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-082
State
Massachusetts
Chamber
Lower chamber
District Code
082
Land Area
6.48 sq mi
Water Area
0.25 sq mi

Boundary

Boundary of Massachusetts 24th 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 County6.48 sq mi100.0%0.8%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Belmont CDP4.65 sq mi71.7%100.0%
Arlington CDP1.42 sq mi21.9%27.6%
Cambridge city0.41 sq mi6.4%6.5%

Showing all 3 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 543,39495.8%5.6%97.2%
MA District 71,9124.2%0.2%2.8%

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

Voters

Registered Voters
32,116
Active Voters
24,497 (76.3%)

Party Registration

PartyVotersShare
Democratic11,39835.5%
Republican1,3104.1%
Unaffiliated00.0%
Other parties19,40860.4%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20267,497 (23.3%)0 (0.0%)0 (0.0%)
2023–202425,040 (78.0%)9,175 (28.6%)3,165 (9.9%)
2021–202220,308 (63.2%)7,472 (23.3%)1,114 (3.5%)
2019–202022,988 (71.6%)16,216 (50.5%)1,386 (4.3%)
2017–201818,643 (58.0%)7,011 (21.8%)1,121 (3.5%)
2015–201619,058 (59.3%)10,291 (32.0%)2,666 (8.3%)
2013–201413,498 (42.0%)5,097 (15.9%)509 (1.6%)
2011–201215,796 (49.2%)3,945 (12.3%)1,972 (6.1%)

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
45,843 (± 1,213)
Median Age
40.4
Median Household Income
$173,352 (± $7,052)
High School Graduate or Higher (age 25+)
98.0%
Bachelor's Degree or Higher (age 25+)
80.4%

Population by Age

GroupPeopleShare
Under 1810,37922.6%
18 to 6427,80660.7%
65 and over7,65816.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,3795.2%
White, not Hispanic31,67469.1%
Black, not Hispanic1,5343.3%
Asian, not Hispanic7,32516.0%
American Indian / Alaska Native, not Hispanic250.1%
Native Hawaiian / Pacific Islander, not Hispanic60.0%
Some other race, not Hispanic2580.6%
Two or more races, not Hispanic2,6425.8%

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
40,558
Citizen Voting Age Population (CVAP)
30,776

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic38,51395.0%
Hispanic2,0445.0%
White30,31674.7%
Black1,4233.5%
Asian4,72811.7%
American Indian / Alaska Native250.1%
Native Hawaiian / Pacific Islander100.0%
Two or More Races2010.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic29,32995.3%
Hispanic1,4514.7%
White24,40579.3%
Black1,0483.4%
Asian3,70312.0%
American Indian / Alaska Native790.3%
Native Hawaiian / Pacific Islander60.0%
Two or More Races880.3%

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