Illinois Favorite Halloween Candy 2025If you're going to base your candy buying simply on what the experts say this year, I must warn you, you'll get mixed reviews. Then Instacart publishes findings that Hershey's Milk Chocolate with Almonds is Illinois' favorite candy in 2025. It may be hard to truly pinpoint which Halloween candy is Illinois' favorite for 2025, but I can tell you what candies should never be given out on Halloween. Worst Halloween Candies to BuyEvery person has their own opinion on what's the worst Halloween candy to buy. Sour Candies - Candies with a sour outer shell and chewy middle are a double punch of bad for your teeth.