A general rule of thumb is that a national poll with 800 to 1,000 respondents provides a decent level of confidence that the sample is representative, though state-level polls can have smaller sample sizes and still be statistically sound.

The latest Times/Siena polls show Harris leading narrowly in Michigan and Wisconsin, with Sherrod Brown ahead in Ohio.

Days after President Joe Biden announced he would not be seeking re-election, and endorsed Vice President Kamala Harris, polling organization Siena College Research Institute sought to learn how “persuadable” voters were feeling about Harris.

Months of research has allowed us to create a map that will consistently offer a useful picture of the outcome of the presidential race.

Former President Donald Trump leads Vice President Kamala Harris in Arizona, Georgia and Nevada in the latest New York Times/Siena poll, part of a tranche of new surveys that show no clear leader in the seven states likely to decide the winner of the 2024 election.

The Department of Justice sued Alabama and its top election official for allegedly removing voters from its election rolls too close to the November election.

Republicans enjoy an advantage in the current election environment because more U.S. adults lean GOP and believe the party is better equipped to handle the country’s most important issues, according to a new poll.

A suburban Philadelphia bakery’s cookie “poll” that started during the 2008 presidential campaign as a joke between the owners and their customers has grown into much more.

Vice President Kamala Harris holds a 12-point lead over former President Donald Trump among voters younger than 35 – a group that’s largely dissatisfied with the influence it holds in American politics,

The shop's poll has only been wrong once in the past 40 years in predicting the results of the presidential race.

A recent poll shows Americans favor Republicans over Democrats when it comes to critical issues facing the nation heading into November’s election.