Massachusetts 18th Middlesex District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-076
State
Massachusetts
Chamber
Lower chamber
District Code
076
Land Area
3.89 sq mi
Water Area
0.31 sq mi

Boundary

Boundary of Massachusetts 18th 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 County3.89 sq mi100.0%0.5%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Lowell city3.89 sq mi100.0%28.6%

Showing all 1 place

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 342,499100.0%5.4%100.0%

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

Voters

Registered Voters
26,401
Active Voters
12,412 (47.0%)

Party Registration

PartyVotersShare
Democratic6,55924.8%
Republican1,4175.4%
Unaffiliated00.0%
Other parties18,42569.8%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20263,001 (11.4%)0 (0.0%)0 (0.0%)
2023–202411,057 (41.9%)3,257 (12.3%)1,221 (4.6%)
2021–20226,281 (23.8%)2,231 (8.5%)512 (1.9%)
2019–202011,319 (42.9%)5,072 (19.2%)813 (3.1%)
2017–20187,500 (28.4%)3,311 (12.5%)513 (1.9%)
2015–20169,101 (34.5%)4,033 (15.3%)1,116 (4.2%)
2013–20145,018 (19.0%)1,665 (6.3%)248 (0.9%)
2011–20126,918 (26.2%)457 (1.7%)502 (1.9%)

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
42,658 (± 1,805)
Median Age
33.8
Median Household Income
$73,150 (± $8,503)
High School Graduate or Higher (age 25+)
80.1%
Bachelor's Degree or Higher (age 25+)
30.9%

Population by Age

GroupPeopleShare
Under 188,15219.1%
18 to 6429,52269.2%
65 and over4,98411.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)6,86816.1%
White, not Hispanic15,31835.9%
Black, not Hispanic4,28710.0%
Asian, not Hispanic13,58631.8%
American Indian / Alaska Native, not Hispanic40.0%
Native Hawaiian / Pacific Islander, not Hispanic50.0%
Some other race, not Hispanic3310.8%
Two or more races, not Hispanic2,2595.3%

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
35,470
Citizen Voting Age Population (CVAP)
28,180

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic29,46983.1%
Hispanic5,99816.9%
White15,28243.1%
Black2,8908.1%
Asian10,43429.4%
American Indian / Alaska Native10.0%
Native Hawaiian / Pacific Islander30.0%
Two or More Races1290.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic24,07085.4%
Hispanic4,11114.6%
White13,75248.8%
Black2,2768.1%
Asian7,94228.2%
American Indian / Alaska Native490.2%
Native Hawaiian / Pacific Islander90.0%
Two or More Races780.3%

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