 The average household size was 2.25 and the average family size was 2.77.In the county, the population was spread out with 17.9% under the age of 18, 7.0% from 18 to 24, 27.5% from 25 to 44, 29.6% from 45 to 64, and 17.9% who were 65 years of age or older.The median age was 43 years.