 27.4% of residents were under the age of 18; 8.3% were between the ages of 18 and 24; 30.5% were from 25 to 44; 24.5% were from 45 to 64; and 9.3% were 65 years of age or older.The gender makeup of the city was 49.0% male and 51.0% female.As of the census in 2000, there were 599 people, 237 households, and 158 families living in the city.