 The average household size was 2.50 and the average family size was 3.09.In the city, the population was spread out, with 29.1% under the age of 18, 6.8% from 18 to 24, 24.6% from 25 to 44, 20.2% from 45 to 64, and 19.4% who were 65 years of age or older.The median age was 37 years.