 22.7% of residents were under the age of 18; 10.9% were between the ages of 18 and 24; 26.4% were from 25 to 44; 26.5% were from 45 to 64; and 13.6% were 65 years of age or older.The gender makeup of the city was 49.0% male and 51.0% female.As of the census of 2000, there were 58,211 people, 23,792 households, and 15,084 families living in the city.