[The Hill] Men were more likely to think Pence would win, at 51 percent to 49 percent, while women were more likely to think Harris would win at 54 percent to 46 percent.The survey found Republican voters were slightly more confident in Pence than Democratic voters were of Harris.
Eighty-four percent of Republican respondents said Pence will win compared to 82 percent of Democrat respondents who said the same of Harris.
Independent voters were marginally more likely to say Harris will win, at 51 percent and 49 percent, respectively.
The survey also found younger voters in the poll to be more split on who would win Wednesday's debate than their older counterparts.
Fifty-one percent of 18-34 year olds and 52 percent of 35-49 year olds favored Pence over Harris.
By contrast, 54 percent of 50-64 year olds and 56 percent of 65 year olds or older said Harris will have the better debate performance.
The Hill-HarrisX poll was conducted online among 928 registered voters from Sept. 30 to Oct. 1. It has a margin of error of plus or minus 3.22 percentage points.