Each member of the US House represents a district in their home state. The districts are typically set after after the US Census conducted every decade to account for the states' population changes. But Republicans and Democrats are now fighting to redraw the maps mid-decade, either to help or block President Donald Trump's agenda.

Texas Democrats say they are ending a two-week walkout that stalled Republican efforts to redraw congressional districts to satisfy President Trump’s demands for a greater GOP advantage.

California Democrats, who hold supermajorities in both chambers — enough to act without any Republican votes — on Friday unveiled a proposal that could give Democrats there an additional five U.S. Ho...