 The average household size was 2.13 and the average family size was 2.56.In the county, the population was distributed as 15.90% under the age of 18, 4.50% from 18 to 24, 18.40% from 25 to 44, 30.50% from 45 to 64, and 30.70% who were 65 years of age or older.The median age was 53 years.