 22.6% of residents were under the age of 18; 8.5% were between the ages of 18 and 24; 25.8% were from 25 to 44; 29.5% were from 45 to 64; and 13.7% 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 15,237 people, 6,340 households, and 4,209 families living in the city.