 The average household size was 2.55 and the average family size was 3.00.In the county, the population was spread out with 25.50% under the age of 18, 11.60% from 18 to 24, 28.20% from 25 to 44, 21.90% from 45 to 64, and 12.70% who were 65 years of age or older.The median age was 35 years.