Connecticut State House District 51

State Legislative District Profile (Lower Chamber)

Overview

District ID
ct-hd-051
State
Connecticut
Chamber
Lower chamber
District Code
051
Land Area
93.1 sq mi
Water Area
2.94 sq mi

Boundary

Boundary of Connecticut State House District 51

Boundary as GeoJSON

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

Places

PlaceOverlapShare of district landShare of place land
Quinebaug CDP4.34 sq mi4.7%100.0%
Putnam CDP3.90 sq mi4.2%100.0%
North Grosvenor Dale CDP2.27 sq mi2.4%100.0%
Dayville CDP0.93 sq mi1.0%100.0%
Mechanicsville CDP0.84 sq mi0.9%100.0%

Showing all 5 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 224,288100.0%3.4%100.0%

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

Voters

Registered Voters
18,403
Active Voters
16,768 (91.1%)

Party Registration

PartyVotersShare
Democratic4,10822.3%
Republican4,94326.9%
Unaffiliated8,99348.9%
Other parties3592.0%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–2026<10 (—)0 (0.0%)0 (0.0%)
2023–202412,553 (68.2%)0 (0.0%)0 (0.0%)
2021–20228,641 (47.0%)0 (0.0%)0 (0.0%)
2019–202011,326 (61.5%)0 (0.0%)0 (0.0%)
2017–20187,731 (42.0%)0 (0.0%)0 (0.0%)
2015–20168,113 (44.1%)0 (0.0%)0 (0.0%)
2013–20145,300 (28.8%)0 (0.0%)0 (0.0%)
2011–20126,303 (34.2%)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
24,127 (± 515)
Median Age
48.0
Median Household Income
$83,935 (± $8,038)
High School Graduate or Higher (age 25+)
88.9%
Bachelor's Degree or Higher (age 25+)
21.7%

Population by Age

GroupPeopleShare
Under 183,63115.0%
18 to 6415,15962.8%
65 and over5,33722.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)1,0384.3%
White, not Hispanic21,23488.0%
Black, not Hispanic1450.6%
Asian, not Hispanic1870.8%
American Indian / Alaska Native, not Hispanic120.0%
Native Hawaiian / Pacific Islander, not Hispanic130.1%
Some other race, not Hispanic600.2%
Two or more races, not Hispanic1,4386.0%

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
23,698
Citizen Voting Age Population (CVAP)
20,124

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic22,90396.6%
Hispanic7993.4%
White21,58891.1%
Black1450.6%
Asian1890.8%
American Indian / Alaska Native140.1%
Native Hawaiian / Pacific Islander120.1%
Two or More Races840.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic19,68097.8%
Hispanic4422.2%
White18,80393.4%
Black2911.4%
Asian2751.4%
American Indian / Alaska Native2201.1%
Native Hawaiian / Pacific Islander120.1%
Two or More Races840.4%

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