 The average household size was 2.64 and the average family size was 3.16.In the county, the population was spread out with 27.60% under the age of 18, 9.70% from 18 to 24, 26.80% from 25 to 44, 23.80% from 45 to 64, and 12.10% who were 65 years of age or older.The median age was 35 years.