 The average household size was 2.49 and the average family size was 3.08.In the county, the population was spread out with 24.00% under the age of 18, 20.00% from 18 to 24, 24.70% from 25 to 44, 19.20% from 45 to 64, and 12.10% who were 65 years of age or older.The median age was 30 years.