 The average household size was 2.35 and the average family size was 2.87.In the county, the population was spread out with 23.10% under the age of 18, 7.70% from 18 to 24, 25.30% from 25 to 44, 24.60% from 45 to 64, and 19.40% who were 65 years of age or older.The median age was 40 years.