 The average household size was 2.59 and the average family size was 3.15.In the county, the population was distributed as 26.60% under the age of 18, 14.60% from 18 to 24, 26.40% from 25 to 44, 19.50% from 45 to 64, and 12.90% who were 65 years of age or older.The median age was 32 years.