 The average household size was 2.63, and the average family size was 3.11.In the county, the population was distributed as 26.30% under the age of 18, 9.30% from 18 to 24, 27.40% from 25 to 44, 21.90% from 45 to 64, and 15.10% who were 65 years of age or older.The median age was 36 years.