 The average household size was 2.28 and the average family size was 2.78.In the county, the population was spread out with 21.30% under the age of 18, 7.30% from 18 to 24, 25.20% from 25 to 44, 25.10% from 45 to 64, and 21.20% who were 65 years of age or older.The median age was 42 years.