In Tuesday's presidential polls, US President Donald Trump is projected to win the states of North Dakota, Alabama, and South Carolina.
There are three electoral votes in North Dakota, while Alabama and South Carolina each have nine, CNN reported.
According to CNN, Trump is also expected to win South Dakota, Arkansas, Indiana, Oklahoma, Kentucky, West Virginia, and Tennessee.
Democratic presidential nominee Joe Biden, meanwhile, is expected to win in Colorado, Connecticut, Vermont, Delaware, Washington DC, Maryland, New Jersey, Massachusetts, and New York.
The polling stations will close at 10 pm ET (8:30 pm IST) in Iowa, Montana, Nevada, and Utah.
To win the White House again, each candidate needs to secure a minimum of 270 out of 538 electoral votes.
This year, some 239 million individuals are eligible to vote. It could take days for the mail-in ballots to be counted-meaning a winner might not be declared in the hours after Tuesday's polls close.
