What time do the polls close?
Polls in Iowa close at 9 p.m., one of the latest to close in the United States.
What time do results start rolling in?
Initial results begin rolling in shortly after 9. Many counties—particularly ones that are big or have a lot of absentee ballots submitted—have already begun counting absentee ballots.
Democrats pull ahead in early voting.
Iowa has a 40-day early voting window, one of the longest in the nation. As of Saturday, more than 247,000 Democrats had cast their ballots, leading Republicans by roughly 42,000 votes. There were also more than 137,500 early voters who reported no party affiliation.
Keep an eye on Polk County and Scott County.
Democrats have a slight upper hand in Polk County in particular, but how heavily it leans left could be a good indicator. “If Republicans can keep it close in those, that probably bodes well for Trump,” says Kevin Hall, communications director for Iowa’s Secretary of State. “If it’s a blowout, that’ll bode well for Hillary Clinton.”