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President Donald Trump dances at a campaign rally at the Pinnacle Bank Expo Center, Monday, Oct. 5, 2026, in Grand Island, Neb. (AP Photo/Charlie Riedel)
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CNBC TV18•20-10-2026, 07:45
US Midterm Elections 2026: Key Races Set to Decide Control of Congress
  • •Americans head to the polls on November 3 in midterm elections to decide whether Republicans retain control of Congress or Democrats secure majorities during Donald Trump's presidency.
  • •Republicans currently hold a narrow 53-47 Senate majority, while Democrats need a net gain of four seats to take the upper chamber and at least 218 seats for a House majority.
  • •Key Senate battlegrounds include high-stakes races in North Carolina, Texas, Ohio, Maine, Alaska, Iowa, Kansas, and Michigan amid shifting political landscapes.
  • •House contests across competitive suburban districts in New York, Nebraska, Pennsylvania, New Jersey, Virginia, and Iowa will provide crucial indicators of voter sentiment.
  • •Governors races in 36 states, including competitive matchups in Texas, Iowa, Ohio, and Nevada, offer another vital test of political strength for both parties.

Key Questions Answered

Republicans currently hold a 53-47 majority in the US Senate. To take control of the upper chamber, Democrats need a net gain of four seats, while a 50-50 tie would leave Republicans in charge via Vice President JD Vance's tie-breaking vote.

All 435 House seats are being contested in the November 3, 2026, midterm elections. With Republicans holding 218 seats, 214 Democrats, one Republican-aligned independent, and two vacancies, Democrats need at least 218 seats in the new lower chamber to secure a majority.

In North Carolina, former Democratic governor Roy Cooper is facing Republican operative Michael Whatley to flip the seat vacated by the retirement of vocal Trump critic Thom Tillis. Although strong polling for Cooper led both parties to shift some spending, the race remains crucial for Democrats.