Connecticut Congressional District 05

Voters

Registered Voters: 486,901
Active Voters: 430,247 (88.4%)

Party Registration

Party	Voters	Share
Democratic	151,547	31.1%
Republican	116,307	23.9%
Unaffiliated	211,347	43.4%
Other parties	7,700	1.6%
No party recorded	0	0.0%

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2025–2026	1,541 (0.3%)	0 (0.0%)	0 (0.0%)
2023–2024	341,472 (70.1%)	0 (0.0%)	0 (0.0%)
2021–2022	252,076 (51.8%)	0 (0.0%)	0 (0.0%)
2019–2020	331,401 (68.1%)	0 (0.0%)	0 (0.0%)
2017–2018	244,524 (50.2%)	0 (0.0%)	0 (0.0%)
2015–2016	263,993 (54.2%)	0 (0.0%)	0 (0.0%)
2013–2014	173,628 (35.7%)	0 (0.0%)	0 (0.0%)
2011–2012	206,461 (42.4%)	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 Citizen Population: 674,397
Citizen Voting Age Population (CVAP): 528,400

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	544,022	80.7%
Hispanic	130,377	19.3%
White	442,008	65.5%
Black	54,947	8.1%
Asian	22,820	3.4%
American Indian / Alaska Native	375	0.1%
Native Hawaiian / Pacific Islander	240	0.0%
Two or More Races	2,275	0.3%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	443,436	83.9%
Hispanic	84,966	16.1%
White	370,828	70.2%
Black	49,198	9.3%
Asian	19,450	3.7%
American Indian / Alaska Native	2,995	0.6%
Native Hawaiian / Pacific Islander	243	0.0%
Two or More Races	1,398	0.3%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.