 The average household size was 2.65 and the average family size was 3.17.In the county, the population was spread out with 28.60% under the age of 18, 9.30% from 18 to 24, 27.60% from 25 to 44, 21.00% from 45 to 64, and 13.50% who were 65 years of age or older.The median age was 34 years.