2018 US Senate Election-Most to Least Vulnerable Democratic and Republican held US Senate seat.
Democratic Held Seats
Tossup
IN-Donnelly-D vs Messer-R
MO-McCaskill-D vs Hartzler-R
ND-Heitkamp-D vs Cramer-R
OH-Brown-D vs Mandel-R
Lean Democratic
FL-Nelson-D vs Scott-R
MT-Tester-D vs Rosendale-R
WI-Baldwin-D vs Hovde-R
WV-Manchin-D vs Morrisey-R
Likely Democratic
MI-Stabenow-D vs Epstein-R
NJ-Norcross-D vs MacArthur-R
NM-Heinrich-D vs Sanchez-R
PA-Casey-D vs Saccone-R
VA-Kaine-D vs Stewart-R
Solid Democratic
CA-Feinstein-D
CT-Murphy-D
DE-Carper-D
HI-Hirono-D
ME-King-I/D
MD-Cardin-D
MA-Warren-D
MN-Klobuchar-D
NY-Gillibrand-D
RI-Whitehouse-D
VT-Sanders-I/D
WA-Cantwell-D
Republican Held Seats
Lean Democratic
AZ-Flake-R loses in the primary to DeWit-R. Democrats nominate Stanton-D
NV-Heller-R loses in the primary to Tarkanian-R. Democrats nominate Rosen-D
Lean Republican
TX-Cruz-R vs O'Rourke-D
Likely Republican
UT-Hatch-R vs McMullin-I
Solid Republican
MS-Wicker-R
NE-Fischer-R
TN-Corker-R
WY-Barrasso-R
