sentences:  The average household size was 2.58 and the average family size was 2.97.In the county, the population was spread out with 24.50% under the age of 18, 6.30% from 18 to 24, 30.50% from 25 to 44, 25.20% from 45 to 64, and 13.60% who were 65 years of age or older.The median age was 39 years.