As of the census of 2000, there were 384 people, 146 households, and 125 families residing in the city. The population density was 3,250.6 people per square mile (1,235.5/km²). There were 148 housing units at an average density of 1,252.8 per square mile (476.2/km²). The racial makeup of the city was 95.57% White, 1.82% African American, 1.82% Asian, and 0.78% from two or more races. Hispanic or Latino of any race were 1.30% of the population.
There were 146 households out of which 28.1% had children under the age of 18 living with them, 80.1% were married couples living together, 4.8% had a female householder with no husband present, and 13.7% were non-families. 12.3% of all households were made up of individuals and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 2.84.
In the city the population was spread out with 21.4% under the age of 18, 6.0% from 18 to 24, 18.8% from 25 to 44, 34.6% from 45 to 64, and 19.3% who were 65 years of age or older. The median age was 47 years. For every 100 females there were 111.0 males. For every 100 females age 18 and over, there were 101.3 males.
The median income for a household in the city was $95,998, and the median income for a family was $103,216. Males had a median income of $74,750 versus $45,000 for females. The per capita income for the city was $46,334. None of the population or families were below the poverty line.