 The average household size was 2.71 and the average family size was 3.24.In the county, the population was spread out with 29.10% under the age of 18, 9.50% from 18 to 24, 27.50% from 25 to 44, 22.40% from 45 to 64, and 11.50% who were 65 years of age or older.The median age was 34 years.