By retaining the House, Democrats will control the chamber for four consecutive years for only the second time since 1995, when Republicans ended 40 years of Democratic dominance.
As the bad news sunk in, Rep. Cheri Bustos, D-Ill., who led House Democrats' campaign committee, announced Monday she wouldn't seek another term leading that organization.
Republicans have been heartened by the House results, which many believe position them for a strong run for the majority in the 2022 elections.
Illustrating that, the Blue Dog Coalition of the most conservative House Democrats, whose membership has dwindled in recent years, lost at least six of its roughly two dozen members.
On the Republican side, the conservative House Freedom Caucus was hoping to grow from its roughly 30 members.