Ridgeville is an unincorporated community in central Clearcreek Township, Warren County, Ohio, United States. It is located on State Route 48 in the north central part of the county, in sections 30 and 36, T4R4, Between the Miami Rivers Survey. The city was laid out by Fergus McLean, the father United States Supreme Court Justice John McLean, who lived there. In the 19th century, it had a post office. A private, non-denominational, preschool-12th grade Christian school called Ridgeville Christian Schools was located in Ridgeville from 1969 to 2007 on the grounds of Ridgeville Community Church. At the end of the 2006-2007 school year, the church abruptly shut down the school due to financial issues and several miscommunications.