US mid-term election results 2018: Maps, charts and analysis

In a dramatic election night President Donald Trump’s Republican Party have retained control of the Senate and the Democrats now have control of the House of Representatives.

Click on the box below for detailed results, provided by AP. Switch between the Senate, House and Governor tabs to see the latest state of each map, and click on states or districts to explore vote counts in individual races.

Please be aware that by using this map you’re accessing AP, a third party site. They collect data about how people use their results service. This is subject to their terms and conditions and the BBC does not have access to this data.


The Democrats took control of the House, having gained more than the 23 seats they needed. It is the first time the party has held the majority in the lower house of Congress for eight years. The loss of the House will make it harder for President Trump to push his policies forward.

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Meanwhile, the Republicans have kept control of the Senate, the upper chamber of Congress, and will increase their majority. They gained Indiana, Missouri and North Dakota from the Democrats. The Democrats have only gained one Senate seat in Nevada.

However, not all Senate seats will have a final result on Wednesday. Voters in Mississippi will return to the polls later this month for a runoff, after no one candidate in the special election race took more than 50% of the vote.

High turnout

The 2018 mid-terms look set to be historical for voter turnout, as forecasts based on early voting suggest turnout will be as high as 47%.

This would be higher than any year since 1970.

Some 114 million votes were cast in the House in 2018, according to estimates by the New York Times, up from 83 million in 2014.

How the mid-term elections broke records

Democratic majority in the House

How the Democrats won the House of Representatives

Year of the woman?

A record number of women representatives has been elected.

There will be more women in the House than in any previous year, while the total number of women in Congress overall will be at a record high after the mid-terms, overtaking the current tally of 107.

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Democrat gains

In the only state where House district boundaries have changed since the last election, the Democrats made four gains.

They also gained two seats in the southern tip of Florida, a classic swing state.

Who voted how?

A large majority of the US’s 685 entirely rural counties opted for Republican representatives to the House.

President Trump’s core constituencies of white working class voters also appear to have turned out for the party in House races.

Produced by Daniel Dunford, Tom Calver, Will Dahlgreen, Maryam Ahmed, Nassos Stylianou, Ed Lowther, Clara Guibourg, John Walton and Irene de la Torre.

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