 23.6% of residents were under age 18; 10.2% were between ages 18 and 24; 27% were from 25 to 44; 26.8% were from 45 to 64; and 12.4% were 65 years of age or older.The gender makeup of the city was 48.0% male and 52.0% female.As of the census of 2000, there were 33,011 people, 12,870 households, and 8,519 families residing in the city.