 The average household size was 2.26 and the average family size was 2.80.In the county, the population was spread out with 21.4% under age of 18, 6.7% from 18 to 24, 21.3% from 25 to 44, 31.6% from 45 to 64, and 19.0% who were 65 years of age or older.The median age was 45 years.