The annual celebration occurring in the St. Charles, Missouri area, on or around October 31st, involves community-based activities, often themed around costumes, decorations, and confectionery. This period traditionally includes events appealing to a wide range of ages, such as trick-or-treating, themed festivals, and haunted attractions. These are generally open to the public and frequently involve local businesses and organizations.
Observances provide a significant boost to the local economy through tourism and spending at local businesses. The events foster community engagement and provide safe, structured environments for families to participate in traditional activities. Historically, the area has seen significant participation, with residents and visitors contributing to the overall atmosphere and enjoying the festivities.