Don’t Sleep On Iowa,” is more than just a motto on her blue t-shirt, Iowa House Democratic leader Jennifer Konfrst shouted to Kamala Harris supporters gathered in the basement of a local party headquarters in Waukee.

The GOP presidential nominee slammed unfavorable numbers for his campaign released Saturday and accused the pollster Ann Selzer, who is regarded as being highly accurate with last-minute polling in Iowa, of being a “Trump hater.”

The survey comes from one of the most respected pollsters in the country, who has a nearly perfect record in predicting Iowa results.

The highly respected Des Moines Register poll showed Harris leading Trump 47% to 44%. It is an outlier compared to other polling results in the state.

A Des Moines Register/Mediacom Iowa poll found the vice president leading former President Donald Trump 47% to 44% among likely voters in Iowa.

Rachel Maddow talks with Iowa pollster J. Ann Selzer about her surprising findings that Kamala Harris is leading Donald Trump in what is otherwise considered a reliably Republican state, and the role of voters over 65 years old and "likely voters" in understanding that result.

Trump and Harris are in a tight race for the presidency after each spent the final hours of their campaigns trying to win over voters in swing states.

Donald Trump told supporters that he should have stayed in the White House, despite his losing the 2020 election, while at Lititz in the battleground state of Pennsylvania on Satu

Here's a look at the latest survey results from four national polls regarding how Americans may vote in tomorrow's presidential election.