99chambers

Connecticut House of Representatives seat · lines in effect since 2022

Connecticut House District 58

A district of about 27,000 people, 31% of adults with a bachelor's degree. It votes D+5.6 relative to the nation for president.

John Santanella (D) · since Nov 5, 2024Next election Nov 7, 2028The 2026 race →

Where it sits among all 151 seats

Every Connecticut House of Representatives 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+5.6106th most
Democratic
Most DemocraticMost Republican76th seat · the majority lineDistrict 58

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
Connecticut House of RepresentativesD+7.2D+13.6D+20.1

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 151 seats. Small marks are other seats in Connecticut. The black marker is District 58.

Adults with a bachelor's degree31% 30th pct · 106th of 151 in CT

Lower than 70% of seats.

White adults without a degree55% 94th pct · 10th of 151 in CT

Higher than 94% of seats.

Hispanic residents13% 51st pct · 75th of 151 in CT

Higher than 51% of seats.

Black residents3% 34th pct · 100th of 151 in CT

Lower than 66% of seats.

Asian residents2% 27th pct · 110th of 151 in CT

Lower than 73% of seats.

People per square mile1,731 59th pct · 62nd of 151 in CT

Denser than 59% 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. 2 of the 4 flipped this year.

District 85
40% college gradsD+4.8Held DDistrict 83
22% Hispanic · 32% college gradsD+5.0Held DDistrict 77
34% college gradsD+0.9Flipped DDistrict 59
34% college gradsD+3.6Flipped 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. John Santanella (D)
    2025– · Won 2024 by 13.6, 2026 by 20.1
  2. Tom Arnone (D)
    2023–2025 · Won 2022 by 7.2

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