 The average household size was 2.45 and the average family size was 2.88.In the county, the population was spread out with 25.00% under the age of 18, 4.80% from 18 to 24, 24.80% from 25 to 44, 30.90% from 45 to 64, and 14.40% who were 65 years of age or older.The median age was 42 years.