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Updated Nov. 7, 2016
2016 Senate ratings map

2016 Senate candidates
*Indicates a special election.
State | Incumbent | Possible Primary Challengers | Major Party Opposition | Third party | Party Rating |
---|---|---|---|---|---|
AK | Lisa Murkowski (Running) |
– Ex-state Rep. Ray Metcalfe | – Atty Margaret Stock (Ind) – 2010 GOP SEN nominee Joe Miller (Lib) – 2014 SEN candidate Ted Gianoutsos (Ind) |
Safe R | |
AL | Richard Shelby (Running) |
– Marijuana activist Ron Crumpton | Safe R | ||
AR | John Boozman (Running) |
– Former US Atty Conner Eldridge | – 2014 GOV nominee Frank Gilbert (Lib) | Safe R | |
AZ | John McCain (Running) |
– Rep. Ann Kirkpatrick | Likely R | ||
CA | Barbara Boxer (Retiring) |
– AG Kamala Harris – Rep. Loretta Sanchez |
Safe D | ||
CO | Michael Bennet (Running) |
– El Paso County Commissioner Darryl Glenn | – Businesswoman Lily Williams (Lib) – Activist Arn Menconi (G) – Bill Hammons (Unity) |
Safe D | |
CT | Richard Blumenthal (Running) |
– State Rep. Dan Carter | Safe D | ||
FL | Marco Rubio (Running) |
– Rep. Patrick Murphy | Leans R | ||
GA | Johnny Isakson (Running) |
– Businessman Jim Barksdale | – Atty Allen Buckley (Lib) | Safe R | |
HI | Brian Schatz (Running) |
– 2012 SEN candidate John Carroll | – 2014 SEN nominee Michael Kokoski (Lib) – 2014 SEN candidate Joy Allison (Const) – 2012 HI-1 candidate John Giuffre (ASP) |
Safe D | |
IA | Chuck Grassley (Running) |
– Ex-Lt. Gov. Patty Judge | – Chuck Aldrich (Lib) – 2014 GOV nominee Jim Hennager (NIPIA) – Writer Michael Luick-Thrams (Ind) |
Safe R | |
ID | Mike Crapo (Running) |
– Businessman Jerry Sturgill | – Ray Writz (Const) | Safe R | |
IL | Mark Kirk (Running) |
– Rep. Tammy Duckworth | – Kenton McMillen (Lib) – Scott Summers (G) |
Likely D | |
IN | Dan Coats (Retiring) |
– Rep. Todd Young | – Ex-Sen. Evan Bayh | – Lucy Brenton (Lib) | Leans R |
KS | Jerry Moran (Running) |
– 2014 SEN candidate Patrick Wiesner | – Robert Garrard (Lib) | Safe R | |
KY | Rand Paul (Running) |
– Lexington Mayor Jim Gray | Safe R | ||
LA | David Vitter (Retiring) |
– Rep. Charles Boustany – Rep. John Fleming – State Treasurer John Kennedy – 2014 candidate Rob Maness – Ex-Rep. Joseph Cao – Businessman Abhay Patel |
– 2010 LG nominee Caroline Fayard – Public Service Commissioner Foster Campbell – Businessman Josh Pellerin |
Likely R | |
MD | Barbara Mikulski (Retiring) |
– Rep. Chris Van Hollen | – State Del. Kathy Szeliga | – Health care advocate Margaret Flowers (G) | Safe D |
MO | Roy Blunt (Running) |
– Secretary of State Jason Kander | – 2012 SEN nominee Jonathan Dine (Lib) – Fred Ryman (Const) |
Leans R | |
NC | Richard Burr (Running) |
– Ex-state Rep. Deborah Ross | – 2014 SEN nominee Sean Haugh (Lib) | Leans R | |
ND | John Hoeven (Running) |
– State Rep. Eliot Glassheim | – Robert Marquette (Lib) | Safe R | |
NH | Kelly Ayotte (Running) |
– Ex-state Sen. Jim Rubens | – Gov. Maggie Hassan | – Brian Chabot (Lib) – Aaron Day (Ind) |
Leans D |
NV | Harry Reid (Retiring) |
– Ex-AG Catherine Cortez Masto | – Rep. Joe Heck | – Tom Jones (IP) | Leans D |
NY | Chuck Schumer (Running) |
– 2012 SEN nominee Wendy Long | – Robin Laverne Wilson (G) | Safe D | |
OH | Rob Portman (Running) |
– Ex-Gov. Ted Strickland | – 2012 candidate Scott Rupert (Ind) – Joseph DeMare (G) – Tom Connors (Ind) |
Safe R | |
OK | James Lankford (Running) |
– Political consultant Mike Workman | – Robert Murphy (Lib) | Safe R | |
OR | Ron Wyden (Running) |
– 2014 SEN candidate Mark Callahan | – Steven Reynolds (Ind) | Safe D | |
PA | Pat Toomey (Running) |
– 2014 GOV candidate Katie McGinty | – Edward Clifford (Lib) | Leans D | |
SC | Tim Scott (Running) |
– Minister Thomas Dixon | – Bill Bledsoe (Lib/Const) – Michael Scarborough (Am) |
Safe R | |
SD | John Thune (Running) |
– Yankton Co. Democratic Party chair Jay Williams | Safe R | ||
UT | Mike Lee (Running) |
– Cashier Misty Snow | – 2014 UT-2 candidate Bill Barron (Ind) – Stoney Fonua (Ind Am) |
Safe R | |
VT | Patrick Leahy (Running) |
– 2014 GOV nominee Scott Milne | – Pete Diamondstone (Lib Union) – Cris Ericson (US Mar) – Jerry Trudell (Ind) |
Safe D | |
WA | Patty Murray (Running) |
– Ex-state party Chairman Chris Vance | Safe D | ||
WI | Ron Johnson (Running) |
– Ex-Sen. Russ Feingold | – Phil Anderson (Lib) | Leans D |