Massachusetts 1st Barnstable District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-001
State
Massachusetts
Chamber
Lower chamber
District Code
001
Land Area
60.8 sq mi
Water Area
6.1 sq mi

Boundary

Boundary of Massachusetts 1st Barnstable District

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Barnstable County60.76 sq mi100.0%15.4%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Yarmouth Port CDP6.02 sq mi9.9%100.0%
South Yarmouth CDP5.96 sq mi9.8%85.7%
Dennis CDP4.91 sq mi8.1%100.0%
East Dennis CDP4.83 sq mi8.0%100.0%
South Dennis CDP4.55 sq mi7.5%100.0%
Brewster CDP3.90 sq mi6.4%100.0%
West Dennis CDP3.26 sq mi5.4%100.0%
Dennis Port CDP3.04 sq mi5.0%100.0%
West Yarmouth CDP0.75 sq mi1.2%11.2%

Showing all 9 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 942,974100.0%5.5%100.0%

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

Voters

Registered Voters
39,253
Active Voters
30,783 (78.4%)

Party Registration

PartyVotersShare
Democratic8,13220.7%
Republican<10—
Unaffiliated00.0%
Other parties26,56167.7%
No party recorded<10—

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20265,915 (15.1%)0 (0.0%)0 (0.0%)
2023–202428,870 (73.5%)8,148 (20.8%)7,464 (19.0%)
2021–202223,283 (59.3%)7,011 (17.9%)4,365 (11.1%)
2019–202027,681 (70.5%)13,393 (34.1%)5,124 (13.1%)
2017–201822,438 (57.2%)4,756 (12.1%)3,589 (9.1%)
2015–201624,170 (61.6%)8,631 (22.0%)6,359 (16.2%)
2013–201417,760 (45.2%)4,149 (10.6%)2,204 (5.6%)
2011–201221,613 (55.1%)2,929 (7.5%)3,994 (10.2%)

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
43,302 (± 784)
Median Age
58.5
Median Household Income
$92,082 (± $5,504)
High School Graduate or Higher (age 25+)
96.7%
Bachelor's Degree or Higher (age 25+)
46.8%

Population by Age

GroupPeopleShare
Under 184,70710.9%
18 to 6422,05050.9%
65 and over16,54538.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,0904.8%
White, not Hispanic37,64986.9%
Black, not Hispanic7461.7%
Asian, not Hispanic7471.7%
American Indian / Alaska Native, not Hispanic00.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic4561.1%
Two or more races, not Hispanic1,6143.7%

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
42,151
Citizen Voting Age Population (CVAP)
37,486

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic40,30295.6%
Hispanic1,8504.4%
White38,20590.6%
Black6711.6%
Asian7021.7%
American Indian / Alaska Native20.0%
Native Hawaiian / Pacific Islander10.0%
Two or More Races370.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic36,23096.6%
Hispanic1,2623.4%
White34,47092.0%
Black7642.0%
Asian7912.1%
American Indian / Alaska Native2030.5%
Native Hawaiian / Pacific Islander10.0%
Two or More Races00.0%

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