In the House, Republicans have 212 members and need to add six to guarantee a majority.
Here’s a guide to some of the competitive races in which polls close early, which election forecasters say will carry a larger significance in reading the direction of the political environment.
Virginia's three crystal ballsThe fates of three House Democrats first elected in the 2018 blue wave will tell a bigger story when Virginia’s polls close at 7 p.m.
And in Florida, where polls close at at 7 p.m.
Red wave sirensNew Hampshire is one of the earliest competitive Senate contests where polls close at 8 p.m.
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