 The average household size was 2.42 and the average family size was 2.98.The county population contained 25.1% under the age of 18, 8.2% from 18 to 24, 25.7% from 25 to 44, 21.4% from 45 to 64, and 19.6% who were 65 years of age or older.The median age was 39 years.