Triumph is an unincorporated community in LaSalle County, Illinois, United States. Triumph, IL is a small community located just east of Interstate 39 in North Central Illinois. Their students attend nearby Mendota public schools. The village is home to two restaurants, one being the Curl Inn, and the other, Countryside Bar and Grill. The town is also known for its curling club, after which the restaurant is named. The historic little town has many farms surrounding it.