 In the city, the population was spread out with 20.3% under the age of 18, 3.9% from 18 to 24, 21.0% from 25 to 44, 23.7% from 45 to 64, and 31.2% who were 65 years of age or older.The median age was 50 years.For every 100 females, there were 80.6 males.