 The average household size was 2.63 and the average family size was 3.12.In the county, the population was spread out with 26.10% under the age of 18, 8.60% from 18 to 24, 27.80% from 25 to 44, 24.30% from 45 to 64, and 13.20% who were 65 years of age or older.The median age was 37 years.