 The average household size was 2.51 and the average family size was 2.88.In the city, the population was spread out with 23.6% under the age of 18, 9.4% from 18 to 24, 27.7% from 25 to 44, 26.7% from 45 to 64, and 12.6% who were 65 years of age or older.The median age was 37 years.