2018 general · November 6, 2018
2018 Connecticut election results
Every race on Connecticut's ballot in the 2018 general election: winners, margins and seats that changed party.
Races198
Changed party20
Unopposed10%19 races
Incumbents defeated14
- U.S. Senate
- Governors
- Statewide offices
- U.S. House
- Connecticut State Senate
- Connecticut House of Representatives
U.S. Senate
D 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| Connecticut | Christopher Murphy (D) | 20.2 |
Governors
D 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| Connecticut | Ned Lamont And Susan Bysiewicz (D) | 3.2 |
Statewide offices
D 4
| Race | Winner | Won by | Notes |
|---|---|---|---|
| Connecticut Attorney General | William Tong (D) | 6.0 | |
| Connecticut Comptroller | Kevin Lembo (D) | 11.9 | |
| Connecticut Secretary of State | Denise Merrill (D) | 13.4 | |
| Connecticut Treasurer | Shawn Wooden (D) | 11.4 |
U.S. House
D 5
| Race | Winner | Won by | Notes |
|---|---|---|---|
| CT-1 | John B. Larson (D) | 28.8 | |
| CT-2 | Joe Courtney (D) | 26.7 | |
| CT-3 | Rosa DeLauro (D) | 29.2 | |
| CT-4 | Jim Himes (D) | 22.4 | |
| CT-5 | Jahana Hayes (D) | 11.7 |
Connecticut State Senate
D 23 · R 13 · 5 changed party
Connecticut House of Representatives
D 92 · R 59 · 15 changed party
Connecticut
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: MIT Election Data and Science Lab