Oregon

~Ron Wyden

*Jeff Merkley

Massachusetts

Elizabeth Warren

*John Kerry

Rhode Island

*Jack Reed

Sheldon Whitehouse

Connecticut

~Richard Blumenthal

Chris Murphy

New Jersey

*Frank Lautenberg

Robert Menendez

Iowa

~Chuck Grassley

*Tom Harkin

North Dakota

Heidi Heitkamp

~John Hoeven

South Dakota

*Tim Johnson

~John Thune

Nebraska

Deb Fischer

*Mike Johanns

Kansas

~Jerry Moran

*Pat Roberts

Montana

*Max Baucus

Jon Tester

Nevada

~Harry Reid

Dean Heller

Hawaii

~Daniel Inouye

Maxie Hirono

Arkansas

~John Boozman

*Mark Pryor

Oklahoma

*James Inhofe

~Tom Coburn

Texas

Ted Cruz

*John Cornyn

North Carolina

~Richard Burr

*Kay Hagan

Ohio

~Rob Portman

Sherrod Brown

Delaware

Thomas Carper

*Chris Coons

Maryland

~Barbara Mikulski

Ben Cardin

Vermont

~Patrick Leahy

Bernie Sanders

Kentucky

*Mitch McConnell

~Rand Paul

Tennessee

*Alexander Lamar

Bob Corker

Colorado

*Mark Udall

~Michael Bennet

New Mexico

Martin Heinrich

*Tom Udall

Utah

Orrin Hatch

~Mike Lee

~ 2017

2013

* 2015

P = Primary loss

California

Diane Feinstein

~Barbara Boxer

Washington

~Patty Murray

Maria Cantwell

Arizona

~John McCain

Jeff Flake

Idaho

~Mike Crapo

*James Risch

Wyoming

*Mike Enzi

John Barrasso

Wisconsin

Tammy Baldwin

~Ron Johnson

Illinois

*Dick Durbin

~Mark Kirk

Missouri

~Roy Blunt

Claire McCaskill

Mississippi

*Thad Cochran

Roger Wicker

Louisiana

*Mary Landrieu

~David Vitter

West

Virginia

*John Rockefeller

*Joe Manchin

Michigan

*Carl Levin

Debbie Stabenow

Indiana

Joe Donnelly

~Dan Coats

Florida

Bill Nelson

~Marco Rubio

Georgia

*Saxby Chambliss

~Johnny Isakson

South Carolina

*Lindsey Graham

~Jim DeMint

Pennsylvania

~Pat Toomey

Bob Casey

New York

~Chuck Schumer

~Kirsten Gillibrand

Virginia

Tim Kaine

*Mark Warner

Maine

Angus

King

*Susan Collins

New Hampshire

~Kelly Ayotte

*Jeanne Shaheen

Alabama

~Richard Shelby

*Jeff Sessions

Minnesota

Amy Klobuchar

*Al Franken

Alaska

~Lisa Murkowski

*Mark Begich