 The average household size was 2.42 and the average family size was 3.01.The county population contained 25.80% under the age of 18, 7.40% from 18 to 24, 24.20% from 25 to 44, 22.20% from 45 to 64, and 20.50% who were 65 years of age or older.The median age was 40 years.