 18.5% of residents were under the age of 18; 10.2% were between the ages of 18 and 24; 23.3% were from 25 to 44; 31% were from 45 to 64; and 17% were 65 years of age or older.The gender makeup of the city was 52.0% male and 48.0% female.As of the census of 2000, there were 351 people, 142 households, and 89 families residing in the city.