A recent poll conducted by USA Today and Suffolk University, which included responses from 500 likely Pennsylvania voters between Sept. 11 and Sept. 14, found Harris leading Trump by three percentage points, 49%-46%.

In a series of new polls conducted by USA TODAY and Suffolk University, Pennsylvania appears to be turning hard toward the Democratic nominee, who leads Trump — not only in the state but in two of Pennsylvania’s key counties, according to three exclusive polls taken after last week’s debate.

Going further back, CNN polling found that Americans overwhelmingly considered former Massachusetts Gov. Mitt Romney the winner of the first debate in 2012, after which he improved in the polls as well. But Americans preferred former President Barack Obama's performance in the two subsequent debates, and he eventually won.

Ahead of their first presidential debate, several polls have Vice President Kamala Harris and Donald Trump in a competitive race for the White House.

Get the latest news from the 2024 campaign trail in the contest between Vice President Kamala Harris and former president Donald Trump.

Donald Trump is still claiming he won last week's debate against Kamala Harris, despite polls giving Harris the lead. "Finally everyone is agreeing that I won the Debate with Kamala. It was like a delayed reaction but,

Kamala Harris accused former President Trump of leaning into "division and extremism" in a new interview shortly after another assassination attempt against him.