Job Approval Rating for US Senators up for re-election in 2018
AZ (Flake-R)37-45
Phoenix Mayor Greg Stanton-D or Mark Kelly-D need to run and this seat has a greater than 50 percent chance of becoming a Democratic pick up.
CA (Feinstein-D)51-33
CT (Murphy-D)53-33
DE (Carper-D)58-26
FL (Nelson-D)53-25
Nelson-D is favored to defeat any potential top tier Republican challenger.
HI (Hirono-D)67-23
IN (Donnelly-D)53-25
Donnelly-D will be able to defeat any potential top tier Republican challenger-Murdock incident or No Murdock incident.
ME (King-I/D)62-25
MD (Cardin-D)53-21
MA (Warren-D)57-35
MI (Stabenow-D)45-37
How would Stabenow-D do against a challenge from Justin Amash-R or Mike Rogers-R?
MN (Klobuchar-D)59-28
MS (Wicker-D)51-24
MO (McCaskill-D)46-38
McCaskill-D is the most vulnerable Democratic incumbent US Senator up for re-election in 2018.
MT (Tester-D)50-39
Tester-D is favored to defeat Matt Rosendale-R or Corey Stapleton-R.
NE (Fischer-R)49-33
NV (Heller-R)41-33
Heller-R is the other most vulnerable Republican incumbent US Senator up for re-election in 2018.
NJ (Menendez-D)39-38
Menendez-D is going to be out of office couple of months before the November 2018 General Election.
NM (Heinrich-D)48-30
NY (Gillibrand-D)53-23
ND (Heitkamp-D)60-28
Heitkamp-D is favored to defeat Kevin Cramer-R.
OH (Brown-D)50-29
Brown-D is favored to defeat Josh Mandel-R.
PA (Casey-D)46-31
RI (Whitehouse-D)46-35
TN (Corker-R)52-29
TX (Cruz-R)55-32
UT (Hatch-R)52-38
VT (Sanders-I/D)75-21
VA (Kaine-D)51-35
WA (Cantwell-D)54-28
WV (Manchin-D)57-31
Manchin-D will defeat Patrick Morrisey-R or Evan Jenkins-R
WI (Baldwin-D)42-38
The only top tier Republican candidate that might challenge Baldwin-D is Scott Fitzgerald.
WY(Barrasso-D)56-18
Democrats pick up AZ and NV but might lose MO. 49D 51R
In 2020
Democrats could lose MI but pick up CO and NC 50D 50R
If Democrats take back the White House they regain control of the US Senate in 2020.
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