Donald Trump has once again claimed victory in Iowa, tallying his third win in the Hawkeye State — this time over Vice ...

J. Ann Selzer’s Iowa Poll had previously been lauded as the “gold standard” because of its ability to accurately predict elections and detect activity late in the campaigns that later become apparent ...

The final Des Moines Register/Mediacom Iowa Poll had Vice President Kamala Harris up three percentage points to now-president-elect Donald Trump. When the results came rolling in Tuesday evening, ...

"I'll be reviewing data from multiple sources with hopes of learning why that happened." Pollsters tweaked their methods ...

A highly regarded pollster caused a sensation last weekend by claiming Kamala Harris led by three points in Iowa.

Embarrassment for Pollsters as Trump Achieves Massive Victory in Iowa** In a stunning repudiation of polling accuracy, former President Donald Trump secured a commanding victory ...

"I’m of course thinking about how we got where we are," Selzer, president of Selzer & Co., said in a statement.

"I’m of course thinking about how we got where we are," she tells the Des Moines Register after Election Night The post Iowa ...

“Every pollster is trying to find ... Probably the most explicit and high-profile example of poll failure this cycle will be the Ann Selzer/Des Moines Register poll of Iowa, which found Harris leading ...

J. Ann Selzer, the Des Moines-based pollster who conducts the Iowa Poll, said she will review her data following a huge miss ...

The Iowa pollster, renowned for her accuracy, has promised to review the data after her pre-election poll was far out of line with the results.

Trump has moved into a commanding lead in The New York Times’ election forecast, with his win probability increasing ...