 17.3% of residents were under the age of 18; 6.2% were between the ages of 18 and 24; 16.8% were from 25 to 44; 21.6% were from 45 to 64; and 38.1% were 65 years of age or older.The gender makeup of the city was 49.1% male and 50.9% female.As of the census of 2000, there were 725 people, 308 households, and 169 families residing in the city.