sentences:  The average household size was 2.48 and the average family size was 2.99.In the county, the population was spread out with 25.30% under the age of 18, 7.80% from 18 to 24, 26.30% from 25 to 44, 24.80% from 45 to 64, and 15.80% who were 65 years of age or older.The median age was 39 years.