A wave of blue swept across the US in midterm election results with 20, 30 and 40 percentage point swings toward Democrats compared to two years ago.
It was a broad and decisive nationwide statement of frustration with the state of the country and the presidency of Donald Trump, who asked voters to treat this midterm as if he was on the ballot.
Democrats will take control of the House of Representatives and the US Senate and gain power in the Midwest and the South — which was unthinkable a short time ago.
But the shift away from Trump and Republicans is evident in nearly every congressional race for which there is data.
CNN compared each district’s House result this cycle with how it voted for president in 2024. If Trump won a district by 10 points, and the Republican House candidate carried it by 4 this time, that would represent a 6-point shift toward Democrats, for example.
Data is not yet complete in every district and will continue to update as results are counted.
It’s not a perfect comparison. A House contest isn’t a presidential race. Incumbency, local issues and the candidates themselves all matter — and fewer people generally vote in midterms than in presidential elections. But these shifts are a clear signal of how voters across the country reacted to its leadership under Trump.
There are still undecided races that will affect the ultimate distribution of seats in the House and Senate. But the change, for now, in the distribution of political power in the House is clear as districts move toward Democrats.
Democrats won in scores of districts by 40 percentage points or more, a major change from the 2024 presidential results in blue districts.
This chart shows the numbers of districts that voted with a Republican or Democratic margin in 2024 compared with now.
Many of the largest shifts came in Texas, which also elected a Democratic senator, as well as Democratic governor for the first time this century. The state’s Republicans had tried to redraw congressional lines to pick up five Democratic seats, but Democratic candidates picked Republicans’ pockets instead.
CORRECTION: An earlier version of the map and histogram chart incorrectly showed a shift in Alaska’s voting margin by comparing the Republican candidate’s lead over a Democratic candidate rather than the independent candidate backed by the state Democratic candidate.
ABOUT THE DATA: Shift compares the Republican-minus-Democratic margin in each district’s 2026 House race with the 2024 presidential margin in the same district, both as a share of all votes cast. The 2024 presidential results are from the Associated Press and have been recalculated for current district lines. Districts without both a Democrat and a Republican on the ballot are not included.