 The average household size was 2.65 and the average family size was 3.15.In the county, the population was spread out with 28.80% under the age of 18, 9.20% from 18 to 24, 26.30% from 25 to 44, 21.40% from 45 to 64, and 14.40% who were 65 years of age or older.The median age was 36 years.