 The average household size was 2.62 and the average family size was 3.20.In the county, the population was spread out with 28.40% under the age of 18, 12.60% from 18 to 24, 26.10% from 25 to 44, 22.00% from 45 to 64, and 10.90% who were 65 years of age or older.The median age was 32 years.