North Ridgeville is a city located along the eastern border of Lorain County, Ohio, United States. The city's population was 29,465 at the 2010 census. A west side suburb of Cleveland, North Ridgeville was the fastest-growing city in the entire Greater Cleveland area.Located 8 miles from Cleveland Hopkins International Airport, and 18 miles west of downtown Cleveland. North Ridgeville is the third-largest city in Lorain County, and the 45th most-populated city in Ohio.