Bellville is located at (32.152828, -81.973366).
As of the census of 2000, there were 130 people, 54 households, and 42 families residing in the city. The population density was 132.5 people per square mile (51.2/km²). There were 64 housing units at an average density of 65.2/sq mi (25.2/km²). The racial makeup of the city was 93.08% White, 5.38% African American and 1.54% Asian. Hispanic or Latino of any race were 6.92% of the population.
There were 54 households out of which 20.4% had children under the age of 18 living with them, 63.0% were married couples living together, 9.3% had a female householder with no husband present, and 22.2% were non-families. 22.2% of all households were made up of individuals and 13.0% had someone living alone who was 65 years of age or older. The average household size was 2.41 and the average family size was 2.79.
In the city the population was spread out with 20.8% under the age of 18, 5.4% from 18 to 24, 20.8% from 25 to 44, 30.8% from 45 to 64, and 22.3% who were 65 years of age or older. The median age was 47 years. For every 100 females there were 100.0 males. For every 100 females age 18 and over, there were 110.2 males.
The median income for a household in the city was $57,708, and the median income for a family was $60,000. Males had a median income of $32,083 versus $28,750 for females. The per capita income for the city was $19,414. There were no families and 5.4% of the population living below the poverty line, including no under eighteens and 35.3% of those over 64.