The Arapahoe Chamber of Commerce was formed and incorporated in December of 1967. The Chamber has always been an active organization within the community. The Chamber provides lunch for all the teachers of the Arapahoe School on the first Tuesday of March in recognition of "Teacher Appreciation Day", they sponsor the annual Easter Egg Hunt, the longstanding 4th of July celebration Prairie Pioneer Days, Merchant Sidewalk Sales, City wide garage sales, Halloween celebration including a children's costume parade, Holiday Highlights Craft Show, Thanksgiving promotion, and Festival of Lights Christmas celebration.