The 2026 US midterm elections will determine every seat in the House of Representatives and 35 of the Senate’s 100 seats. Interactive maps and charts from elDiario.es track results by state and district as votes are counted.

In the House, each member is elected from a district. Nine states are using new district maps, and in several cases the party in power redrew boundaries in an effort to gain seats—a practice known as gerrymandering.

The Senate contests include the 33 seats last voted on in 2020, as well as special elections in Ohio and Florida. Those races will fill the seats vacated by JD Vance, who became vice president, and Marco Rubio, who was appointed secretary of state. The remaining 65 senators are not up for election but will still count toward control of the chamber. Democrats need 51 seats for a majority; Republicans need 50, with the vice president breaking a tie.

The maps show which party is leading in each state or district as early results come in, but a race is not considered decided until a winner is declared. A results table tracks the lead, in percentage points, for the candidates ahead in House and Senate contests.

The closest races are also highlighted, using the latest forecasts from RealClearPolitics and Cook Political Report to show how many seats each party has won and how many it still needs for a majority. A separate graphic compares the House vote in each state with 2024, when Donald Trump defeated Kamala Harris and Republicans retained control of both chambers. That comparison includes only districts where both parties fielded candidates in both elections.

Sources: elDiario.es.