Democrats will have a noticeably smaller majority when the 117th Congress begins in January. Prior to the election, the party held a 233-2011 1This includes five vacancies allocated to the party that last held the seat. edge over Republicans, with one seat (MI-3) held by Libertarian Justin Amash, who left the GOP in 2019. Republicans regained that seat and have flipped ten others thus far. Democrats have flipped three seats, two of which were virtually certain due to court-mandated redistricting in North Carolina.
Of these ten Republican gains, nine were seats the party had lost just two years ago. Freshman Democrats Gil Cisneros (CA-39), Harley Rouda (CA-48), Debbie Mucarsel-Powell (FL-26), Donna Shalala (FL-27), Abby Finkenauer (IA-1), Xochitl Torres Small (NM-2), Max Rose (NY-11), Kendra Horn (OK-5) and Joe Cunningham (SC-1) all went down to defeat. In addition, Collin Peterson failed to win a 16th term in the strongly pro-Trump MN-7. The one Democratic gain not associated with redistricting was in suburban Atlanta GA-7, where Carolyn Bourdeaux prevailed. Bourdeaux lost to incumbent Republican Rob Woodall in 2018; it was the closest House race in the country that year. Woodall did not run this year.
Here's a map of where things stand, with the 10 uncalled races shown as toss-up. Click or tap for an interactive version. For those looking ahead, keep in mind that the map will change for 2022, as redistricting will occur based on the upcoming Census results.