Overview
- District ID
- ct-sd-012
- State
- Connecticut
- Chamber
- Upper chamber (state senate)
- District Code
- 012
- Land Area
- 185.1 sq mi
- Water Area
- 12.6 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Places
Showing all 6 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 3 | 73,540 | 75.5% | 10.2% | 61.4% |
| CT District 2 | 23,865 | 24.5% | 3.3% | 38.6% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 78,325
- Active Voters
- 72,406 (92.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 24,864 | 31.7% |
| Republican | 18,013 | 23.0% |
| Unaffiliated | 34,149 | 43.6% |
| Other parties | 1,299 | 1.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 2,472 (3.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 62,359 (79.6%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 49,896 (63.7%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 60,340 (77.0%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 46,797 (59.7%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 48,988 (62.5%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 34,705 (44.3%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 39,263 (50.1%) | 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
- 96,947 (± 982)
- Median Age
- 51.8
- Median Household Income
- $122,925 (± $6,797)
- High School Graduate or Higher (age 25+)
- 96.8%
- Bachelor's Degree or Higher (age 25+)
- 54.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 16,576 | 17.1% |
| 18 to 64 | 54,378 | 56.1% |
| 65 and over | 25,993 | 26.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 5,485 | 5.7% |
| White, not Hispanic | 81,626 | 84.2% |
| Black, not Hispanic | 1,525 | 1.6% |
| Asian, not Hispanic | 3,674 | 3.8% |
| American Indian / Alaska Native, not Hispanic | 83 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 534 | 0.6% |
| Two or more races, not Hispanic | 4,020 | 4.1% |
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
- 94,560
- Citizen Voting Age Population (CVAP)
- 78,366
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 89,561 | 94.7% |
| Hispanic | 5,002 | 5.3% |
| White | 82,445 | 87.2% |
| Black | 1,434 | 1.5% |
| Asian | 3,143 | 3.3% |
| American Indian / Alaska Native | 96 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 328 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 75,199 | 96.0% |
| Hispanic | 3,168 | 4.0% |
| White | 69,989 | 89.3% |
| Black | 1,757 | 2.2% |
| Asian | 2,919 | 3.7% |
| American Indian / Alaska Native | 336 | 0.4% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 311 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
