 The average household size was 2.48 and the average family size was 3.02.In the county, the population was spread out with 24.1% under the age of 18, 9.9% from 18 to 24, 28.1% from 25 to 44, 25.2% from 45 to 64, and 12.7% who were 65 years of age or older.The median age was 35.4 years.