See which House districts have the biggest shifts this midterm election

Every seat in the US House is on the ballot this year, and the results are a major test of how voters feel almost two years into President Donald Trump’s second term.

To measure that, CNN is comparing each district’s House result 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.

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. But across hundreds of districts, these shifts are among the clearest signals of which direction the country is moving.

The results will update and reflect automatically below. Early returns can be misleading, and districts can swing sharply as the counting continues. That’s why the map shows only districts with at least 30% of the expected vote in.

Check back and follow along as results start coming in on election night — these graphics will update as votes are counted.

The partisan shifts by voters will also likely affect the distribution of political power in the House, as districts either move toward Democrats or Republicans.

This chart, which will fill in as more races are counted, shows the numbers of districts that voted with a Republican or Democratic margin in 2024 compared with now. If the Democrats have a good night, for example, more red districts will shift blue.

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.

今年美国众议院的每个席位都将进行选举，选举结果是对唐纳德·特朗普总统第二个任期近两年来选民感受的一次重大考验。

为了衡量这一点，CNN 将每个选区的众议院选举结果与该选区在 2024 年总统选举中的投票结果进行了比较。例如，如果特朗普在一个选区以 10 个百分点的优势获胜，而这次共和党众议院候选人在该选区以 4 个百分点的优势获胜，那就代表着该选区向民主党倾斜了 6 个百分点。

这并非完全恰当的类比。众议院选举并非总统大选。现任优势、地方议题以及候选人本身都至关重要——而且中期选举的投票率通常较低。但纵观数百个选区，这些变化无疑是国家发展方向最清晰的信号之一。

结果将自动更新并显示在下方。早期计票结果可能具有误导性，随着计票的进行，各选区的选情可能会发生剧烈变化。因此，地图仅显示已完成计票至少达到预期票数30%的选区。

选举之夜，结果陆续公布，请随时关注——随着计票的进行，这些图表也会更新。

选民的党派倾向转变也可能影响众议院的政治权力分配，因为选区要么向民主党倾斜，要么向共和党倾斜。

随着更多选票的统计，这张图表会不断更新，它显示了2024年共和党或民主党得票优势明显的选区数量与现在的对比。例如，如果民主党今晚表现出色，更多原本支持共和党的选区将会转为支持民主党。

数据说明：Shift 将各选区 2026 年众议院选举中共和党候选人与民主党候选人的得票差距，与同一选区 2024 年总统选举的得票差距进行比较，两者均以总投票数的百分比表示。2024 年总统选举结果来自美联社，并已根据当前选区划分重新计算。选票上没有同时出现民主党和共和党候选人的选区不包含在内。