 The average household size was 2.58 and the average family size was 2.84.In the city the population was spread out with 21.5% under the age of 18, 4.9% from 18 to 24, 22.6% from 25 to 44, 38.7% from 45 to 64, and 12.3% who were 65 years of age or older.The median age was 46 years.