 The average household size was 2.42 and the average family size was 2.90.In the county, the population was spread out with 21.5% under the age of 18, 13.6% from 18 to 24, 25.5% from 25 to 44, 22.7% from 45 to 64, and 16.8% who were 65 years of age or older.The median age was 38 years.