 The average household size was 2.50 and the average family size was 2.95.In the county, the population was spread out with 22.30% under the age of 18, 17.50% from 18 to 24, 27.60% from 25 to 44, 21.20% from 45 to 64, and 11.40% who were 65 years of age or older.The median age was 33 years.