CNN
Forty-eight percent of the 472 registered voters surveyed said Pence emerged as the winner in the face-off against Virginia Sen. Tim Kaine.
Forty-two percent thought the Democratic vice presidential nominee won the political showdown.
The poll, which skewed Democratic, had a margin of error of 4.5 percentage points.
Heading into the debate, Hillary Clinton had started to surge over Trump after the GOP nominee's disastrous performance at last week's presidential debate.
Tuesday night's political duel in Virginia was the only scheduled vice presidential debate of 2016.