 The average household size was 2.63 and the average family size was 3.16.In the county, the age distribution of the population shows 25.1% under the age of 18, 9.4% from 18 to 24, 30.2% from 25 to 44, 23.2% from 45 to 64, and 12.0% who were 65 years of age or older.The median age was 37 years.