Key Points Reese’s Peanut Butter Cups topped the list as America’s favorite Halloween candy. Mississippi leads the nation in candy corn enthusiasm, ordering it 92% more than the national average. Whether you’re filling your own pumpkin-shaped candy jar or trick-or-treaters’ bags, you likely have a favorite Halloween candy that you stock up on each year. Instacart has revealed the most popular picks for its 2025 Halloween Candy & Décor Trends Report, and chocolate seems to be the clear Halloween favorite, earning 8 of the top 10 spots. While candy corn can spark strong opinions about its flavor and sweetness, its biggest fans are in Mississippi, where customers ordered candy corn 92% more often than the national average.