 The average household size was 2.49 and the average family size was 3.02.In the county, the population was spread out with 23.1% under the age of 18, 14.2% from 18 to 24, 28.1% from 25 to 44, 24.4% from 45 to 64, and 10.2% who were 65 years of age or older.The median age was 32.7 years.