 The average household size was 2.55 and the average family size was 3.01.In the county, the population was spread out with 25.60% under the age of 18, 9.00% from 18 to 24, 27.50% from 25 to 44, 24.20% from 45 to 64, and 13.70% who were 65 years of age or older.The median age was 37 years.