 The average household size was 2.60 and the average family size was 3.11.The county population contained 29.80% under the age of 18, 6.80% from 18 to 24, 29.90% from 25 to 44, 20.80% from 45 to 64, and 12.60% who were 65 years of age or older.The median age was 35 years.