 The average household size was 2.30 and the average family size was 2.81.In the county, the population was spread out with 20.80% under the age of 18, 7.90% from 18 to 24, 24.10% from 25 to 44, 25.30% from 45 to 64, and 21.90% who were 65 years of age or older.The median age was 43 years.