 The average household size was 2.65 and the average family size was 3.15.In the county, the population was distributed as 28.00% under the age of 18, 7.90% from 18 to 24, 28.60% from 25 to 44, 21.30% from 45 to 64, and 14.10% who were 65 years of age or older.The median age was 35 years.