sentences:  The average household size was 2.72 and the average family size was 3.20.In the county, the population was spread out with 30.40% under the age of 18, 7.50% from 18 to 24, 29.20% from 25 to 44, 23.20% from 45 to 64, and 9.70% who were 65 years of age or older.The median age was 35 years.