2018Final results
2018 election for Connecticut Governor
Governor · Connecticut
Ned Lamont And Susan Bysiewicz (D) won with 49.4% of the vote, defeating Bob Stefanowski And Joe Markley (R) by 3.2 points.
Ned Lamont And Susan BysiewiczDemocrat · winner
49.4%694,509
Bob Stefanowski And Joe MarkleyRepublican
46.2%650,132
Oz Griebel And Monte E. FrankOther party
3.9%54,741
Rodney Hanscomb And Jeffrey ThibeaultLibertarian
0.4%6,086
Mark Stewart Greenstein And John DemitrusOther party
0.1%1,237
Lee Whitnum And Jacey WyattOther party
0.0%69
1,406,774 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The candidates
Ned Lamont And Susan Bysiewicz (D)Bob Stefanowski And Joe Markley (R)
Also on the ballot: Oz Griebel And Monte E. Frank (Other party), 3.9%; Rodney Hanscomb And Jeffrey Thibeault (Libertarian), 0.4%; Mark Stewart Greenstein And John Demitrus (Other party), 0.1%; Lee Whitnum And Jacey Wyatt (Other party), 0.0%