 The average household size was 2.38 and the average family size was 2.96.The county population contained 25.80% under the age of 18, 6.80% from 18 to 24, 24.60% from 25 to 44, 21.40% from 45 to 64, and 21.30% who were 65 years of age or older.The median age was 40 years.