 The average household size was 2.39 and the average family size was 2.98.In the county, the population was spread out with 25.20% under the age of 18, 9.60% from 18 to 24, 31.10% from 25 to 44, 22.60% from 45 to 64, and 11.50% who were 65 years of age or older.The median age was 35 years.