Dupont is a town in Lancaster Township, Jefferson County, Indiana. The population was 392 at the 2000 census.
Dupont is in southern Indiana, at coordinates 38°53′26″N 85°30′59″W. The town comprises 1.0 square miles of land, and is located on Highway 7, between North Vernon and Madison.
As of the census of 2000, there were 392 people, 139 households, and 97 families residing in the town. The population density was 382.1 people per square mile (146.9/km²). There were 146 housing units at an average density of 142.3/sq mi (54.7/km²). The racial makeup of the town was 95.92% White, 1.53% African American, 0.26% Native American, 1.02% Asian, 0.51% from other races, and 0.77% from two or more races. Hispanic or Latino of any race were 2.30% of the population.
There were 139 households out of which 44.6% had children under the age of 18 living with them, 49.6% were married couples living together, 14.4% had a female householder with no husband present, and 29.5% were non-families. 22.3% of all households were made up of individuals and 10.8% had someone living alone who was 65 years of age or older. The average household size was 2.76 and the average family size was 3.23.
In the town the population was spread out with 33.9% under the age of 18, 8.2% from 18 to 24, 31.4% from 25 to 44, 16.6% from 45 to 64, and 9.9% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 94.1 males. For every 100 females age 18 and over, there were 89.1 males.
The median income for a household in the town was $37,188, and the median income for a family was $32,083. Males had a median income of $32,188 versus $23,333 for females. The per capita income for the town was $13,966. About 16.8% of families and 19.3% of the population were below the poverty line, including 25.7% of those under age 18 and none of those age 65 or over.