sentences:  The average household size was 2.40 and the average family size was 2.99.In the county, the population was spread out with 27.30% under the age of 18, 6.30% from 18 to 24, 24.60% from 25 to 44, 24.10% from 45 to 64, and 17.80% who were 65 years of age or older.The median age was 40 years.