 The average household size was 2.70 and the average family size was 3.20.In the city, the age distribution of the population shows 29.4% under the age of 18, 11.0% from 18 to 24, 26.4% from 25 to 44, 19.3% from 45 to 64, and 11.3% who were 65 years of age or older.The median age was 30 years.