2018 United States House of Representatives election ratings

The 2018 United States House of Representatives elections were held on November 6, 2018, with early voting taking place in some states in the weeks preceding that date. Voters chose representatives from all 435 congressional districts across each of the 50 U.S. states. Non-voting delegates from the District of Columbia and four of the five inhabited U.S. territories^[a] were also elected. These midterm elections took place nearly halfway through the first term of Republican President Donald Trump. The winners will serve in the 116th United States Congress, with seats apportioned among the states based on the 2010 United States census. On Election Day, Republicans had held a House majority since January 2011 as a result of the 2010 elections.

In the 2018 midterm elections, the Democrats won control of the House and had a net gain of more than 40 seats from their total after the 2016 elections (including one seat gained previously with Conor Lamb's March 2018 special election victory). This was their largest gain of seats since the 1974 elections, when they picked up 49 seats.
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