Connecticut State Senate District 16

State Legislative District Profile (Upper Chamber)

Overview

District ID
ct-sd-016
State
Connecticut
Chamber
Upper chamber (state senate)
District Code
016
Land Area
89.6 sq mi
Water Area
1.7 sq mi

Boundary

Boundary of Connecticut State Senate District 16

Boundary as GeoJSON

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

Places

PlaceOverlapShare of district landShare of place land
Waterbury city5.43 sq mi6.1%19.0%
Plantsville CDP0.99 sq mi1.1%99.9%
Cheshire Village CDP0.31 sq mi0.3%7.7%

Showing all 3 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
CT District 549,48648.3%6.9%44.1%
CT District 143,50142.5%6.0%40.0%
CT District 39,4019.2%1.3%15.9%

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

Voters

Registered Voters
73,428
Active Voters
69,667 (94.9%)

Party Registration

PartyVotersShare
Democratic19,46626.5%
Republican19,83527.0%
Unaffiliated32,88944.8%
Other parties1,2381.7%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–2026<10 (—)0 (0.0%)0 (0.0%)
2023–202454,878 (74.7%)0 (0.0%)0 (0.0%)
2021–202241,678 (56.8%)0 (0.0%)0 (0.0%)
2019–202053,333 (72.6%)0 (0.0%)0 (0.0%)
2017–201839,958 (54.4%)0 (0.0%)0 (0.0%)
2015–201643,170 (58.8%)0 (0.0%)0 (0.0%)
2013–201429,476 (40.1%)0 (0.0%)0 (0.0%)
2011–201234,578 (47.1%)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
102,293 (± 2,038)
Median Age
43.7
Median Household Income
$99,289 (± $3,340)
High School Graduate or Higher (age 25+)
92.2%
Bachelor's Degree or Higher (age 25+)
37.0%

Population by Age

GroupPeopleShare
Under 1820,95620.5%
18 to 6461,47260.1%
65 and over19,86519.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)11,87811.6%
White, not Hispanic72,56270.9%
Black, not Hispanic9,0508.8%
Asian, not Hispanic2,7792.7%
American Indian / Alaska Native, not Hispanic210.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic5540.5%
Two or more races, not Hispanic5,4495.3%

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
97,450
Citizen Voting Age Population (CVAP)
77,448

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic87,04989.3%
Hispanic10,40110.7%
White73,23575.2%
Black8,1238.3%
Asian2,1602.2%
American Indian / Alaska Native220.0%
Native Hawaiian / Pacific Islander330.0%
Two or More Races1530.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic71,05991.8%
Hispanic6,3908.3%
White61,19079.0%
Black7,3829.5%
Asian2,1612.8%
American Indian / Alaska Native3360.4%
Native Hawaiian / Pacific Islander340.0%
Two or More Races900.1%

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