Overview
- District ID
- ct-sd-015
- State
- Connecticut
- Chamber
- Upper chamber (state senate)
- District Code
- 015
- Land Area
- 31.7 sq mi
- Water Area
- 0.5 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Places
Showing all 2 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 5 | 71,909 | 69.1% | 10.0% | 69.0% |
| CT District 3 | 32,184 | 30.9% | 4.5% | 31.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 56,257
- Active Voters
- 51,377 (91.3%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 20,766 | 36.9% |
| Republican | 10,018 | 17.8% |
| Unaffiliated | 24,734 | 44.0% |
| Other parties | 739 | 1.3% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 31,999 (56.9%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 19,794 (35.2%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 30,899 (54.9%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 20,782 (36.9%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 24,453 (43.5%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 14,472 (25.7%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 19,030 (33.8%) | 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
- 104,447 (± 2,388)
- Median Age
- 37.9
- Median Household Income
- $55,225 (± $2,875)
- High School Graduate or Higher (age 25+)
- 81.0%
- Bachelor's Degree or Higher (age 25+)
- 20.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 23,587 | 22.6% |
| 18 to 64 | 64,603 | 61.9% |
| 65 and over | 16,257 | 15.6% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 37,848 | 36.2% |
| White, not Hispanic | 34,443 | 33.0% |
| Black, not Hispanic | 22,205 | 21.3% |
| Asian, not Hispanic | 3,010 | 2.9% |
| American Indian / Alaska Native, not Hispanic | 24 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 52 | 0.0% |
| Some other race, not Hispanic | 1,531 | 1.5% |
| Two or more races, not Hispanic | 5,334 | 5.1% |
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
- 94,813
- Citizen Voting Age Population (CVAP)
- 72,209
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 61,922 | 65.3% |
| Hispanic | 32,888 | 34.7% |
| White | 33,908 | 35.8% |
| Black | 22,167 | 23.4% |
| Asian | 2,380 | 2.5% |
| American Indian / Alaska Native | 27 | 0.0% |
| Native Hawaiian / Pacific Islander | 88 | 0.1% |
| Two or More Races | 860 | 0.9% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 50,229 | 69.6% |
| Hispanic | 21,979 | 30.4% |
| White | 28,711 | 39.8% |
| Black | 18,710 | 25.9% |
| Asian | 1,991 | 2.8% |
| American Indian / Alaska Native | 259 | 0.4% |
| Native Hawaiian / Pacific Islander | 89 | 0.1% |
| Two or More Races | 579 | 0.8% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
