 The average household size was 2.75 and the average family size was 3.13.In the city the population was spread out, with 25.3% under the age of 18, 9.1% from 18 to 24, 28.5% from 25 to 44, 23.5% from 45 to 64, and 13.6% who were 65 years of age or older.The median age was 38 years.