 23.1% of residents were under the age of 18; 5.9% were between the ages of 18 and 24; 27.1% were from 25 to 44; 28.9% were from 45 to 64; and 15% were 65 years of age or older.The gender makeup of the city was 49.1% male and 50.9% female.North Ridgeville has a public library, a branch of the Lorain Public Library.