sentences:  The average household size was 2.55 and the average family size was 2.97.In the county, the population was distributed as 25.00% under the age of 18, 8.00% from 18 to 24, 31.30% from 25 to 44, 23.50% from 45 to 64, and 12.10% who were 65 years of age or older.The median age was 36 years.