Front of the Dr. John Harris Dental School, located at 208 W. Main Street (U.S. Route 50/State Route 41) on the western side of Bainbridge, Ohio, United States. Built in 1815, it was the location of the first dental school in the United States, which opened in 1825 and operated for only a short time. Today, it is a museum, and it is listed on the National Register of Historic Places. Museum website. – Nyttend, Public domain – Wikimedia Commons Bainbridge is located in Ross County. About 765 people live here (as of 2020). Between 2010 and 2020, the population declined from 860 to 765. The region is at 220 meters above sea level. The area covers about 1.3 square kilometers. There are about 61 streets in Bainbridge. The postal codes are 45612. Bainbridge is village in Ohio, United States. Among other things, Bainbridge has pharmacies.