 The average household size was 2.65 and the average family size was 3.19.In the county, the population was spread out with 28.90% under the age of 18, 7.10% from 18 to 24, 26.40% from 25 to 44, 24.70% from 45 to 64, and 12.90% who were 65 years of age or older.The median age was 37 years.