House Republicans hold 220 of the chamber's 435 seats. When three vacancies are filled in heavily blue-leaning districts, Democrats will hold 215 seats.

The national environment has worsened so much for President Donald Trump that Democrats are now competing in once-red House districts, while Republicans are trying to stem their losses.

From Texas to Oregon, competitive congressional districts are disappearing. As states finalize new borders ahead of the 2022 midterms, state legislatures are approving maps they hope will ...

There are 23 "crossover" House members – lawmakers who won despite representing districts where most voters went for the presidential candidate of the opposite party.

The U.S. Census Bureau is releasing new population data that will be used to reshape House seats and state legislative districts for the next decade.

Detailed results from 22 key House battleground districts By Joe Fox, Aaron Williams, Kevin Uhrmacher, Laris Karklis and Lauren Tierney Updated Nov. 7, 2018 ...

In fact, half of the districts on CNN’s inaugural ranking of the top 10 House districts most likely to flip partisan control are GOP-held seats, including the top two.