Dupont, IN has a population of 284 and is the 22,778th largest city in the United States. The population density is 279 per sq mi which is 55% higher than the Indiana average and 208% higher than the national average. The median age in Dupont is 39 which is approximately 4% higher than the Indiana average of 37. In Dupont, 61% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 76% of Dupont residents were born in Indiana, 24% were born out of state, 0% were born outside of the United States and 0% were foreign born.