 In the city, the age distribution of the population shows 23.0% under the age of 18, 7.8% from 18 to 24, 24.7% from 25 to 44, 23.8% from 45 to 64, and 20.7% who were 65 years of age or older.The median age was 40.5 years.For every 100 females, there were 91.0 males.