 The average household size was 2.43 and the average family size was 2.85.The county population contained 23.20% under the age of 18, 6.50% from 18 to 24, 24.20% from 25 to 44, 27.80% from 45 to 64, and 18.30% who were 65 years of age or older.The median age was 42 years.