 The average household size was 2.52 and the average family size was 3.07.In the city, the population was spread out with 30.4% under the age of 18, 11.3% from 18 to 24, 31.2% from 25 to 44, 15.3% from 45 to 64, and 11.8% who were 65 years of age or older.The median age was 30 years.