Mount Sterling is a village in Madison County, Ohio, United States. The population was 1,865 at the 2000 census. It is a part of the Columbus, Ohio Metropolitan Statistical Area. The Mount Sterling Public Library in 2005 loaned more than 57,000 items to its 3,000 cardholders. Total holdings in 2005 were over 37,000 volumes with over 30 periodical subscriptions.