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The Democratic Strategist

Political Strategy for a Permanent Democratic Majority

Kondik: Incumbents Having a Bad Year in Primaries

From, “The Primary Season: 2026 Already Surpasses Average Number of Incumbent Losses, and a Low Number of Incumbents are Running by Kyle Kondik at The Center for Politics:

With primary season more than halfway over—with this week’s contests, 28 states have completed their House primaries—the aggregate incumbent renomination success rate is 97.1%. That is, of course, quite high but it is still down somewhat from the postwar era average of 98.3%.

At the same time as this year is on track for a higher-than-average number of primary losses, 2026 is going to likely feature the second-lowest number of House incumbents seeking reelection of any postwar election.

So not only are we seeing a number of incumbents lose, the number of incumbents running, period, is low.

As of now, we count 374 House members who sought or are seeking another term in Congress. That is well below the post-World War II average, which is 396 House members seeking reelection. When it’s all said and done, 1992 will retain the postwar record low of just 368 members seeking reelection, but 2026 is set to be lower than the current second-place cycle, 2018, in which 376 members sought reelection.

We are making this slightly conditional because the precise number of incumbents seeking reelection is not yet set. The Louisiana filing deadline, pushed back because of redistricting, is not until August, and it’s not entirely clear what Rep. Cleo Fields (D, LA-6) will do: His district was redrawn to be unwinnable for a Democrat, and he has said he will not run against Rep. Troy Carter (D, LA-2) in the state’s single Democratic district. He is not included in our current tally of members running for reelection (he appears to be in the mix for the presidency of Southern University). Additionally, there are a pair of vacant seats, FL-20 and the aforementioned TX-23, with as-yet-unscheduled special elections. If those seats were filled before November and the eventual winners were also candidates in the regular election, we would count them in the overall total. By that logic, we are including the eventual winner of the CA-14 special election in mid-August as an incumbent running for reelection even though the seat is not yet filled: Democrats Melissa Hernandez and Aisha Wahab are running in both the special election and the general, so one of them will be an incumbent come November.

…Following Colorado next week, the primary season goes on a bit of a summer vacation, with just one regular primary in July: Arizona on July 21. We are well past the halfway point of the primary season in the House, as states containing  nearly two-thirds of all the nation’s House seats have already held their primaries. But there’s still much to be decided later this summer.

More here.

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