sentences:  In the county, the population was spread out with 27.90% under the age of 18, 13.70% from 18 to 24, 32.90% from 25 to 44, 17.80% from 45 to 64, and 7.70% who were 65 years of age or older.The median age was 30 years.For every 100 females there were 102.30 males.