 The average household size was 2.55 and the average family size was 3.10.In the county, the population was distributed as 25.70% under the age of 18, 5.30% from 18 to 24, 21.50% from 25 to 44, 23.10% from 45 to 64, and 24.30% who were 65 years of age or older.The median age was 43 years.