The United States Democratic Party has significantly expanded its campaign to win control of the House of Representatives, adding 12 Republican-held congressional seats to its list of priority targets for the November 2026 midterm elections.

The decision increases the Democratic Congressional Campaign Committee’s target list to 58 districts. Several of the newly selected districts were won comfortably by President Donald Trump during the 2024 presidential election and had previously been considered secure for Republicans.

Democrats believe that Trump’s declining public support and growing voter concerns about the economy have created opportunities in traditionally conservative areas. They also hope to benefit from dissatisfaction surrounding the Iran war and controversy generated by the administration’s domestic policies.

Only a small number of seats separate the two parties in the House. Democrats therefore need to make limited net gains to eliminate the Republican majority and take control of the chamber for the final two years of Trump’s current presidential term.

Control of the House would give Democrats authority over committees, investigations and major legislation. They could use that power to challenge the president’s policies, investigate his administration and block or modify parts of the Republican political programme.

The newly targeted districts include seats in Nevada, Indiana, Arkansas, Tennessee, Florida, North Carolina and New York. Some are located in traditional Republican strongholds, demonstrating that Democrats are attempting to compete beyond the usual battleground states.

One prominent target is North Carolina’s 9th Congressional District, represented by Richard Hudson, chairman of the National Republican Congressional Committee. Trump won the district by approximately 15 percentage points in 2024, but Democratic Governor Josh Stein also carried it during the same election cycle.

Democrats are also targeting Arkansas’ 2nd District, where former governor candidate Chris Jones is challenging six-term Republican Representative French Hill. Trump won the district by 16 percentage points, but Democrats point to its substantial Black population and growing Asian and Latino communities.

In Florida’s 12th District, Democrats believe recent boundary changes have made the electorate more competitive. The district has become less heavily white and more Democratic despite being represented by Republican Gus Bilirakis.

New York’s 21st District is another important contest. Although Trump won it by about 21 percentage points in 2024, it will be an open race because Republican Representative Elise Stefanik is not seeking reelection. Democrat Blake Gendebien, a dairy farmer, is competing against Trump-aligned businessman Anthony Constantino.

Republicans are expected to argue that the expanded target list is overly ambitious and that Trump’s previous margins demonstrate the conservative strength of these districts. They will also defend their economic, immigration and national-security policies as the campaign intensifies.

The midterm results could reshape American politics and influence the country’s foreign policy, military spending and international relationships. A Democratic-controlled House could increase congressional scrutiny of Trump’s decisions involving Iran, Ukraine, NATO and global trade.