 The average household size was 2.47 and the average family size was 2.95.In the county, the population was spread out with 25.20% under the age of 18, 7.80% from 18 to 24, 24.30% from 25 to 44, 24.50% from 45 to 64, and 18.30% who were 65 years of age or older.The median age was 40 years.