Connecticut's 1st Congressional District
Connecticut · CT-01
Connecticut's 1st Congressional District is one of 5 U.S. House districts in Connecticut, represented in Congress by John Larson (Democrat). It is home to roughly 717,442 people, with a median age of 40.3. The population is about 57% White. The median household income is $87,306, and 39% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted solidly Democratic (D+23).
Representative
Current U.S. House member (source: house.gov).
Geography
CT-01 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 675 square miles, CT-01 is the 304th-largest of the 435 congressional districts by land area. With about 1,063 residents per square mile, it is a largely suburban district. Its shape is very irregular: the district's Polsby-Popper score of 0.17 ranks 346th of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 61% of CT-01 voters backed Kamala Harris and 38% Donald Trump — a D+23 margin. That is a 5.0-point shift toward the Republicans from 2020, when the district voted D+28.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 40.3 years old; 20.1% of residents are under 18 and 17.8% are 65 or older. About 16.1% of residents were born outside the United States, and 24.6% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $87,306, the district's median household income ranks 143rd of 435 districts nationwide. The typical owner-occupied home is worth $285,511, and the median rent is $1,350 a month. 10.6% of residents live below the poverty line, and workers average a 24.9-minute commute (14% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).