 The average household size was 2.53 and the average family size was 3.02.In the county, the population was spread out with 23.30% under the age of 18, 9.20% from 18 to 24, 28.30% from 25 to 44, 23.40% from 45 to 64, and 15.70% who were 65 years of age or older.The median age was 38 years.