 25.1% of residents were under the age of 18; 7.8% were between the ages of 18 and 24; 18.8% were from 25 to 44; 34.7% were from 45 to 64; and 13.5% were 65 years of age or older.The gender makeup of the city was 53.5% male and 46.5% female.As of the census of 2000, there were 317 people, 131 households, and 75 families living in the city.