 19.1% of residents were under the age of 18; 8.2% were between the ages of 18 and 24; 26.7% were from 25 to 44; 30.9% were from 45 to 64; and 15.2% were 65 years of age or older.The gender makeup of the city was 48.7% male and 51.3% female.As of the census of 2000, there were 53,025 people, 20,716 households, and 13,486 families living in the city.