Leaf River is a small village located in Ogle County, Illinois. It is situated along the banks of the Leaf River, which is a tributary of the Rock River. The village has a rural character and is primarily residential, with a close-knit community. Founded in the mid-19th century, Leaf River has a rich history that reflects the development of small towns in the Midwest. The village is known for its scenic landscapes and outdoor recreational opportunities, making it a peaceful place for residents and visitors alike.