|
State
|
Current incumbent
|
In office since
|
Former Senator
|
|
Alabama
|
Katie Britt
|
2023, predecessor retired
|
Richard Shelby
|
|
Alabama
|
Tommy Tuberville
|
2021, defeated predecessor
|
Doug Jones
|
|
Alaska
|
Lisa Murkowski
|
2002 (appointed), predecessor elected to state office
|
Frank Murkowski
|
|
Alaska
|
Dan Sullivan
|
2015, defeated predecessor
|
Mark Begich
|
|
Arizona
|
Mark Kelly
|
2020 (special), defeated interim predecessor
|
Martha McSally (interim for John McCain)
|
|
Arizona
|
Ruben Gallego
|
2025, predecessor retired
|
Kyrsten Sinema
|
|
Arkansas
|
John Boozman
|
2011, defeated predecessor
|
Blanche Lincoln
|
|
Arkansas
|
Tom Cotton
|
2015, defeated predecessor
|
Mark Pryor
|
|
California
|
Adam Schiff
|
2024, interim predecessor did not run and resigned early for seniority advantage
|
Laphonza Butler (interim for Dianne Feinstein)
|
|
California
|
Alex Padilla
|
2021 (appointed), predecessor elected to federal office
|
Kamala Harris
|
|
Colorado
|
Michael Bennet
|
2009 (appointed), predecessor appointed to federal office
|
Ken Salazar
|
|
Colorado
|
John Hickenlooper
|
2021, defeated predecessor
|
Cory Gardner
|
|
Connecticut
|
Richard Blumenthal
|
2011, predecessor retired
|
Chris Dodd
|
|
Connecticut
|
Chris Murphy
|
2013, predecessor retired
|
Joe Lieberman
|
|
Delaware
|
Lisa Blunt Rochester
|
2025, predecessor retired
|
Tom Carper
|
|
Delaware
|
Chris Coons
|
2010 (special), interim predecessor did not run
|
Ted Kaufman (interim for Joe Biden)
|
|
Florida
|
Rick Scott
|
2019, defeated predecessor
|
Bill Nelson
|
|
Florida
|
Ashley Moody
|
2025 (appointed), predecessor appointed to federal office
|
Marco Rubio
|
|
Georgia
|
Raphael Warnock
|
2021 (special), defeated interim predecessor
|
Kelly Loeffler (interim for Johnny Isakson)
|
|
Georgia
|
Jon Ossoff
|
2021, defeated predecessor
|
David Perdue
|
|
Hawaii
|
Brian Schatz
|
2012 (appointed), predecessor died in office
|
Daniel Inouye
|
|
Hawaii
|
Mazie Hirono
|
2013, predecessor retired
|
Daniel Akaka
|
|
Idaho
|
Mike Crapo
|
1999, predecessor retired
|
Dirk Kempthorne
|
|
Idaho
|
Jim Risch
|
2009, predecessor retired
|
Larry Craig
|
|
Illinois
|
Dick Durbin
|
1997, predecessor retired
|
Paul Simon
|
|
Illinois
|
Tammy Duckworth
|
2017, defeated predecessor
|
Mark Kirk
|
|
Indiana
|
Jim Banks
|
2025, predecessor elected to state office
|
Mike Braun
|
|
Indiana
|
Todd Young
|
2017, predecessor retired
|
Dan Coats
|
|
Iowa
|
Chuck Grassley
|
1981, defeated predecessor
|
John Culver
|
|
Iowa
|
Joni Ernst
|
2015, predecessor retired
|
Tom Harkin
|
|
Kansas
|
Roger Marshall
|
2021, predecessor retired
|
Pat Roberts
|
|
Kansas
|
Jerry Moran
|
2011, predecessor retired
|
Sam Brownback
|
|
Kentucky
|
Mitch McConnell
|
1985, defeated predecessor
|
Walter Huddleston
|
|
Kentucky
|
Rand Paul
|
2011, predecessor retired
|
Jim Bunning
|
|
Louisiana
|
Bill Cassidy
|
2015, defeated predecessor
|
Mary Landrieu
|
|
Louisiana
|
John Neely Kennedy
|
2017, predecessor retired
|
David Vitter
|
|
Maine
|
Susan Collins
|
1997, predecessor retired
|
Bill Cohen
|
|
Maine
|
Angus King
|
2013, predecessor retired
|
Olympia Snowe
|
|
Maryland
|
Angela Alsobrooks
|
2025, predecessor retired
|
Ben Cardin
|
|
Maryland
|
Chris Van Hollen
|
2017, predecessor retired
|
Barbara Mikulski
|
|
Massachusetts
|
Elizabeth Warren
|
2013, defeated predecessor
|
Scott Brown
|
|
Massachusetts
|
Ed Markey
|
2013 (special), predecessor appointed to federal office
|
Mo Cowan (interim for John Kerry)
|
|
Michigan
|
Elissa Slotkin
|
2025, predecessor retired
|
Debbie Stabenow
|
|
Michigan
|
Gary Peters
|
2015, predecessor retired
|
Carl Levin
|
|
Minnesota
|
Amy Klobuchar
|
2007, predecessor retired
|
Mark Dayton
|
|
Minnesota
|
Tina Smith
|
2018 (appointed), predecessor resigned
|
Al Franken
|
|
Mississippi
|
Cindy Hyde-Smith
|
2018 (appointed), predecessor resigned
|
Thad Cochran
|
|
Mississippi
|
Roger Wicker
|
2007 (appointed), predecessor resigned
|
Trent Lott
|
|
Missouri
|
Josh Hawley
|
2019, defeated predecessor
|
Claire McCaskill
|
|
Missouri
|
Eric Schmitt
|
2023, predecessor retired
|
Roy Blunt
|
|
Montana
|
Tim Sheehy
|
2025, defeated predecessor
|
Jon Tester
|
|
Montana
|
Steve Daines
|
2015, predecessor retired
|
John Walsh
|
|
Nebraska
|
Deb Fischer
|
2013, predecessor retired
|
Ben Nelson
|
|
Nebraska
|
Pete Ricketts
|
2023 (appointed), predecessor resigned
|
Ben Sasse
|
|
Nevada
|
Jacky Rosen
|
2019, defeated predecessor
|
Dean Heller
|
|
Nevada
|
Catherine Cortez Masto
|
2017, predecessor retired
|
Harry Reid
|
|
New Hampshire
|
Jeanne Shaheen
|
2009, defeated predecessor
|
John Sununu
|
|
New Hampshire
|
Maggie Hassan
|
2017, defeated predecessor
|
Kelly Ayotte
|
|
New Jersey
|
Andy Kim
|
2024, interim predecessor did not run and resigned early for seniority advantage
|
George Helmy (interim for Bob Menendez)
|
|
New Jersey
|
Cory Booker
|
2013 (special), interim predecessor did not run
|
Jeffrey Chiesa (interim for Frank Lautenberg)
|
|
New Mexico
|
Ben Ray Luján
|
2021, predecessor retired
|
Tom Udall
|
|
New Mexico
|
Martin Heinrich
|
2013, predecessor retired
|
Jeff Bingaman
|
|
New York
|
Chuck Schumer
|
1999, defeated predecessor
|
Al D'Amato
|
|
New York
|
Kirsten Gillibrand
|
2009 (appointed), predecessor appointed to federal office
|
Hillary Clinton
|
|
North Carolina
|
Ted Budd
|
2023, predecessor retired
|
Richard Burr
|
|
North Carolina
|
Thom Tillis
|
2015, defeated predecessor
|
Kay Hagan
|
|
North Dakota
|
John Hoeven
|
2011, predecessor retired
|
Byron Dorgan
|
|
North Dakota
|
Kevin Cramer
|
2019, defeated predecessor
|
Heidi Heitkamp
|
|
Ohio
|
Bernie Moreno
|
2025, defeated predecessor
|
Sherrod Brown
|
|
Ohio
|
Jon Husted
|
2025 (appointed), predecessor elected to federal office
|
J.D. Vance
|
|
Oklahoma
|
Markwayne Mullin
|
2023 (special), predecessor retired
|
Jim Inhofe
|
|
Oklahoma
|
James Lankford
|
2015, predecessor retired
|
Tom Coburn
|
|
Oregon
|
Ron Wyden
|
1996 (special), predecessor resigned
|
Bob Packwood
|
|
Oregon
|
Jeff Merkley
|
2009, defeated predecessor
|
Gordon Smith
|
|
Pennsylvania
|
Dave McCormick
|
2025, defeated predecessor
|
Bob Casey
|
|
Pennsylvania
|
John Fetterman
|
2023, predecessor retired
|
Pat Toomey
|
|
Rhode Island
|
Jack Reed
|
1997, predecessor retired
|
Claiborne Pell
|
|
Rhode Island
|
Sheldon Whitehouse
|
2007, defeated predecessor
|
Lincoln Chafee
|
|
South Carolina
|
Lindsey Graham
|
2003, predecessor retired
|
Strom Thurmond
|
|
South Carolina
|
Tim Scott
|
2012 (appointed), predecessor resigned
|
Jim DeMint
|
|
South Dakota
|
John Thune
|
2005, defeated predecessor
|
Tom Daschle
|
|
South Dakota
|
Mike Rounds
|
2015, predecessor retired
|
Tim Johnson
|
|
Tennessee
|
Bill Hagerty
|
2021, predecessor retired
|
Lamar Alexander
|
|
Tennessee
|
Marsha Blackburn
|
2019, predecessor retired
|
Bob Corker
|
|
Texas
|
John Cornyn
|
2003, predecessor retired
|
Phil Gramm
|
|
Texas
|
Ted Cruz
|
2013, predecessor retired
|
Kay Bailey Hutchison
|
|
Utah
|
John Curtis
|
2025, predecessor retired
|
Mitt Romney
|
|
Utah
|
Mike Lee
|
2011, predecessor lost primary
|
Bob Bennett
|
|
Vermont
|
Peter Welch
|
2023, predecessor retired
|
Patrick Leahy
|
|
Vermont
|
Bernie Sanders
|
2007, predecessor retired
|
Jim Jeffords
|
|
Virginia
|
Mark Warner
|
2009, defeated predecessor
|
John Warner
|
|
Virginia
|
Tim Kaine
|
2013, predecessor retired
|
Jim Webb
|
|
Washington
|
Patty Murray
|
1993, predecessor retired
|
Brock Adams
|
|
Washington
|
Maria Cantwell
|
2001, defeated predecessor
|
Slade Gorton
|
|
West Virginia
|
Jim Justice
|
2025, predecessor retired
|
Joe Manchin
|
|
West Virginia
|
Shelley Moore Capito
|
2015, predecessor retired
|
Jay Rockefeller
|
|
Wisconsin
|
Ron Johnson
|
2011, defeated predecessor
|
Russ Feingold
|
|
Wisconsin
|
Tammy Baldwin
|
2013, predecessor retired
|
Herb Kohl
|
|
Wyoming
|
Cynthia Lummis
|
2021, predecessor retired
|
Mike Enzi
|
|
Wyoming
|
John Barrasso
|
2007 (appointed), predecessor died in office
|
Craig Thomas
|
