 The average household size was 2.54 and the average family size was 3.00.In the county, the population was distributed as 27.40% under the age of 18, 8.70% from 18 to 24, 25.50% from 25 to 44, 22.70% from 45 to 64, and 15.60% who were 65 years of age or older.The median age was 38 years.