sentences:  The average household size was 2.30 and the average family size was 2.76.In the county, the population was spread out with 20.80% under the age of 18, 6.20% from 18 to 24, 26.90% from 25 to 44, 27.10% from 45 to 64, and 19.00% who were 65 years of age or older.The median age was 42 years.