Overview
- District ID
- ct-sd-025
- State
- Connecticut
- Chamber
- Upper chamber (state senate)
- District Code
- 025
- Land Area
- 29.2 sq mi
- Water Area
- 13.5 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Places
Showing all 5 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| CT District 4 | 101,594 | 100.0% | 14.1% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 70,806
- Active Voters
- 61,027 (86.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 26,510 | 37.4% |
| Republican | 13,283 | 18.8% |
| Unaffiliated | 29,802 | 42.1% |
| Other parties | 1,211 | 1.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 48,197 (68.1%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 32,984 (46.6%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 46,641 (65.9%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 34,008 (48.0%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 37,596 (53.1%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 22,349 (31.6%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 28,961 (40.9%) | 0 (0.0%) | 0 (0.0%) |
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 11/04/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 102,757 (± 681)
- Median Age
- 40.6
- Median Household Income
- $113,050 (± $4,570)
- High School Graduate or Higher (age 25+)
- 89.8%
- Bachelor's Degree or Higher (age 25+)
- 48.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 20,625 | 20.1% |
| 18 to 64 | 64,811 | 63.1% |
| 65 and over | 17,321 | 16.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 29,967 | 29.2% |
| White, not Hispanic | 48,260 | 47.0% |
| Black, not Hispanic | 15,734 | 15.3% |
| Asian, not Hispanic | 4,537 | 4.4% |
| American Indian / Alaska Native, not Hispanic | 74 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 604 | 0.6% |
| Two or more races, not Hispanic | 3,581 | 3.5% |
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
- 88,810
- Citizen Voting Age Population (CVAP)
- 69,076
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 68,300 | 76.9% |
| Hispanic | 20,511 | 23.1% |
| White | 48,291 | 54.4% |
| Black | 14,468 | 16.3% |
| Asian | 2,841 | 3.2% |
| American Indian / Alaska Native | 77 | 0.1% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 521 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 55,598 | 80.5% |
| Hispanic | 13,481 | 19.5% |
| White | 40,406 | 58.5% |
| Black | 12,246 | 17.7% |
| Asian | 2,501 | 3.6% |
| American Indian / Alaska Native | 111 | 0.2% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 358 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).