 The average household size was 2.15 and the average family size was 2.60.In the county, the population was spread out with 14.9% under the age of 18, 5.4% from 18 to 24, 16.6% from 25 to 44, 38.2% from 45 to 64, and 24.9% who were 65 years of age or older.The median age was 52.9 years.