The Dupon surname
In the 2010 U.S. Census, 131 people carried this name — #129,825 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is down 14% from 152 in 2000.
In Belgium’s population register
At least 430 people named Dupon live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in West Flanders.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 299 people named Dupon.
9 of them were born outside France. Those born in France came from 39 départements, most often Nord.
Where it concentrates, on the mapWhere they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
Nearby in the index
Surnames next to Dupon.
- Dupin 558 · U.S. census
- Duplain 215 · U.S. census
- Duplan 234 · U.S. census
- Duplantier 356 · U.S. census
- Duplessis 3,044 · U.S. census
- Duplessy 181 · U.S. census
- Dupont 10,339 · U.S. census
- Dupoux 160 · U.S. census
- Dupras 846 · U.S. census
- Duprat 202 · U.S. census
- Dupray 150 · U.S. census
- Dupre 8,131 · U.S. census
When the index is not enough
This page says where Dupon is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.