D'Iberville is a somewhat small city located in the state of Mississippi. With a population of 13,309 people and five associated neighborhoods, D'Iberville is the 31st largest community in Mississippi. D'Iberville has seen a significant amount of newer housing growth in recent years. Quite often, new home construction is the result of new residents moving in who are middle class or wealthier, attracted by jobs, a healthy local economy, or other amenities as they leave nearby or far away areas for greener pastures. This seems to be the case in D'Iberville, where the median household income is $52,625.00.

The education level of D'Iberville citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 20.09% of adults 25 and older in D'Iberville have a college degree.

The per capita income in D'Iberville in 2022 was $33,333, which is wealthy relative to Mississippi, and middle income relative to the rest of the US. This equates to an annual income of $133,332 for a family of four. However, D'Iberville contains both very wealthy and poor people as well.

D'Iberville is an extremely ethnically-diverse city. The people who call D'Iberville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of D'Iberville residents report their race to be White, followed by Black or African-American. Important ancestries of people in D'Iberville include German, English, French, Irish, and Polish.

The most common language spoken in D'Iberville is English. Other important languages spoken here include Vietnamese and Spanish.