 The average household size was 2.70 and the average family size was 3.25.In the county, the population was spread out with 30.00% under the age of 18, 8.90% from 18 to 24, 26.90% from 25 to 44, 21.80% from 45 to 64, and 12.40% who were 65 years of age or older.The median age was 35 years.