Leo-Cedarville is a town in Allen County, Indiana, United States. The population was 2,782 at the 2000 census. Major items in town are Cedarville Elementary School, Leo Elementary School, and Leo Junior/Senior High School. Leo-Cedarville apartments for rent comparison page shows most up to date rent information on Leo-Cedarville apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.