 The average household size was 2.48 and the average family size was 2.89.The county population contained 24.40% under the age of 18, 5.70% from 18 to 24, 24.20% from 25 to 44, 28.30% from 45 to 64, and 17.40% who were 65 years of age or older.The median age was 43 years.