sentences:  In the city, the population was spread out with 18.5% under the age of 18, 27.8% from 18 to 24, 18.9% from 25 to 44, 21.7% from 45 to 64, and 13.1% who were 65 years of age or older.The median age was 27.6 years.For every 100 females, there were 78.8 males.