2026 Senate Status

By Jim Ellis — Friday, Dec. 13, 2024

Senate

Sen. Dick Durbin (D-IL) / Photo: Center for American Progress Action Fund

Sen. Dick Durbin (D-IL), during a CNN interview, indicated he will make an announcement about whether he will seek a sixth term “after the first of the year.”

Sen. Durbin, now 80 years old, was first elected to the Senate in 1996 after serving seven terms in the US House of Representatives. Should he decide to retire, we can expect to see a crowded Democratic primary form with the winner of the March 2026 primary becoming a definitive favorite to win the succeeding general election.

Though we have yet to see an announced retirement, we have seen a sizable number of Senators indicate they are seeking re-election, along with potential primary challenges forming.

While Sen. Durbin hasn’t announced his plans, several thought to be on the potential retirement list have already said they are running for re-election. Sens. Susan Collins (R-ME), Ed Markey (D-MA), and Jack Reed (D-RI) have publicly stated their intention to seek another term in 2026.

Sen. Mitch McConnell (R-KY), while retired from his party leadership post and who is presumed to be retiring in 2026, has not yet publicly stated whether he will run for re-election.

Other retirement prospects who have not yet indicated whether they will seek re-election are Sens. Jim Risch (R-ID), and Jeanne Shaheen (D-NH).

Those who have already made public statements confirming they will run in 2026 are Sens. Tommy Tuberville (R-AL), who at one time was contemplating entering what will be an open race for Governor, John Hickenlooper (D-CO), Joni Ernst (R-IA), Tina Smith (D-MN), Cindy Hyde-Smith (R-MS), Pete Ricketts (R-NE), Cory Booker (D-NJ), and Jeff Merkley (D-OR).

We’ve also seen our first 2026 primary challenge announcement. Louisiana state Treasurer and former Congressman John Fleming (R) has declared his intention to challenge Sen. Bill Cassidy in the newly re-instated 2026 Louisiana partisan primary.

At Gov. Jeff Landry’s (R) initiative, a special redistricting session of the Louisiana state legislature late last year passed a bill eliminating the jungle primary system for federal races and several other offices. This means that Sen. Cassidy, who supported the second Trump impeachment, must stand for re-election in a partisan Republican primary with a 50 percent runoff system.

Other potential GOP Senate challengers to Cassidy include Rep. Clay Higgins (R-Lafayette), outgoing Public Service Commissioner Eric Skrmetta, and retiring Rep. Garret Graves (R-Baton Rouge). Graves was the victim of a court-ordered redistricting map that created a new African American plurality seat which eliminated his current CD.

Speculation is rampant that Texas Sen. John Cornyn (R), who has announced for re-election, will be challenged for renomination, while others being rumored to face primary opponents are Sens. Thom Tillis (R-NC) and Lindsey Graham (R-SC). Sen. Tillis has announced he will seek re-election, and it is presumed Sen. Graham will also run for another term.

Two term-limited Republican Governors are said to be considering challenging their state’s incumbent Democratic in-cycle Senator. GOP leaders and activists are encouraging Georgia Gov. Brian Kemp (R) to oppose first-term Sen. Jon Ossoff (D) who has kicked-off his re-election bid. In Virginia, the GOP brain trust is hoping to see Gov. Glenn Youngkin attempt to unseat three-term Sen. Mark Warner (D).

In Kentucky, two-term Gov. Andy Beshear (D) is thought to be a potential Senate candidate irrespective of Sen. McConnell’s plans to either retire or run for an eighth term. Though a reliable Republican state in federal elections, Gov. Beshear would give the Democrats a strong chance of converting the seat regardless of who might be his Republican opponent.

The other incumbents who have not yet declared their 2026 intentions but are expected to seek re-election are Sens. Dan Sullivan (R-AK), Tom Cotton (R-AR), Chris Coons (D-DE), Roger Marshall (R-KS), Gary Peters (D-MI), Steve Daines (R-MT), Ben Ray Lujan (D-NM), Markwayne Mullin (R-OK), Mike Rounds (R-SD), Bill Hagerty (R-TN), Shelley Moore Capito (R-WV), and Cynthia Lummis (R-WY).

As has been extensively reported, we will also see two other soon-to-be appointed Senators seeking to fill the balance of unexpired terms. When Ohio Sen. J.D. Vance resigns to become Vice President and Sen. Marco Rubio (R-FL) is confirmed as the new Secretary of State, Govs. Mike DeWine (R-OH) and Ron DeSantis (R-FL) will appoint replacements who must run in 2026 and 2028 when their respective seats next come in-cycle.

In all, we will see Republicans being forced to defend 22 seats and Democrats only 13, thus reversing the advantage that the GOP held in 2024.

As you can see, the 2026 US Senate cycle is already beginning to feature a great degree of serious competition.

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