99chambers

U.S. House seat · lines in effect since 2022

Connecticut's 1st District

A district of about 726,000 people, 39% of adults with a bachelor's degree. It votes D+24.1 relative to the nation for president.

Luke Bronin (D) · from Jan 3, 2027Next election Nov 7, 2028The 2026 race →
CT-1

Source: 2026 results: Connecticut Secretary of the State; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET

Where it sits among all 435 seats

Every U.S. House seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+24.1105th most
Democratic
Most DemocraticMost Republican218th seat · the majority line4CT-1325

Labels below the bar mark 4 other seats in Connecticut.

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

202220242026
U.S. HouseD+23.8D+28.3D+36.3

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Connecticut Secretary of the StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 435 seats. Small marks are other seats in Connecticut. The black marker is CT-1.

Adults with a bachelor's degree39% 71st pct · 4th of 5 in CT

Higher than 71% of seats.

White adults without a degree33% 40th pct · 4th of 5 in CT

Lower than 60% of seats.

Hispanic residents19% 65th pct · 3rd of 5 in CT

Higher than 65% of seats.

Black residents14% 72nd pct · 1st of 5 in CT

Higher than 72% of seats.

Asian residents6% 69th pct · 2nd of 5 in CT

Higher than 69% of seats.

People per square mile1,074 70th pct · 3rd of 5 in CT

Denser than 70% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean.

CT-3
40% college gradsD+16.1Held DNJ-1
36% college gradsD+20.3Held DRI-1
38% college gradsD+24.0Held DNY-25
42% college gradsD+19.3Held D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2022.

  1. Luke Bronin (D)
    2027– · Won 2026 by 36.3
  2. John B. Larson (D)
    2023–2027 · Won 2022 by 23.8, 2024 by 28.3

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)