Part of the fun of trick-or-treating is the unpredictability—kids never know what treats will be in their plastic jack-O'-lanterns by the end of the night. Though a varied candy haul makes Halloween more interesting, there are always one or two brands that show up again and again. According to CandyStore.com, these are the most popular Halloween candies around the country this year.

CandyStore.com put together this map of each state's top Halloween candy by analyzing sales data for the months leading up to the holiday from the past 14 years. Reese's Cups were named America's favorite treat based on nationwide sales. The Hershey's peanut butter cup also tied for No.1 in the state-by-state ranking. Reese's Cups, Sour Patch Kids, and Starburst are each the favorite candy of six states in the U.S.

They're followed by M&M's, which nabbed the top spots in five states and Washington, D.C. Tootsie Pops are beloved in four states: Washington, Minnesota, Tennessee, and Utah. You can see which candy your state will be handing out this Halloween using the interactive map below.

According to the American Chemical Society, a 180-pound person would need to consume 262 fun-sized candy bars to poison themselves. But if you're worried about contracting candy poisoning this Halloween, take comfort in the fact that you'd vomit long before you reached that point. Here are more facts about Halloween candy to indulge in.

Source: CandyStore.com.