Peoria firefighters were dispatched to Koerner Road and Charter Oak Road for reports of a structure fire just before 8 a.m. Sunday.
Enroute to the scene, dispatch advised Peoria crews that the fire was under the jurisdiction of Dunlap Fire Protection. Peoria crews found the barn engulfed in flames.
Dunlap firefighters assumed operations once they arrived on the scene.
No injuries were reported.
The cause of the fire is under investigation.