 The average household size was 2.28 and the average family size was 2.82.In the county, the population was spread out, with 20.40% under the age of 18, 5.20% from 18 to 24, 25.00% from 25 to 44, 26.20% from 45 to 64, and 23.10% who were 65 years of age or older.The median age was 45 years.