 The average household size was 2.29 and the average family size was 2.89.In the county, the population was distributed as 18.50% under the age of 18, 10.40% from 18 to 24, 29.70% from 25 to 44, 22.40% from 45 to 64, and 19.00% who were 65 years of age or older.The median age was 39 years.