The 6 House Races Where Incumbents Are Likely To Face Another Incumbent

Redistricting may reshape the electoral playing field for a U.S. House incumbent in different ways — a seat might become much safer, more vulnerable or even cease to exist. But on rare occasions, changes wrought by redistricting can also pit two incumbents against one another in the next election. In some cases, incumbents from the same party meet in a primary faceoff; at other times, members from opposing parties confront each other in a general election showdown.

Most election cycles that follow redistricting have at least a handful of incumbent clashes, and...