Connecticut House of Representatives seat · lines in effect since 2022
Connecticut House District 18
A district of about 26,000 people, 69% of adults with a bachelor's degree. It votes D+53.1 relative to the nation for president.
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.
Democratic
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.
| 2026 | |
|---|---|
| Connecticut House of Representatives | D+57.9 |
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 18.
Higher than 92% of seats.
Lower than 77% of seats.
Lower than 57% of seats.
Higher than 65% of seats.
Higher than 59% of seats.
Denser than 85% 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.
District 8855% college gradsD+47.4Held DDistrict 91
27% Black · 49% college gradsD+50.4Held DDistrict 136
78% college gradsD+46.5Held DDistrict 133
57% college gradsD+30.0Held 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.
- Tiffani McGinnis (D)
2027– · Won 2026 by 57.9 - Jillian Gilchrest (D)
2023–2027 · Won 2022 unopposed, 2024 unopposed
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)