The Dupont surname
In the 2010 U.S. Census, 10,339 people carried this name — #3,456 among all U.S. surnames, about 1 in every 28,600 people counted. That is up 5% from 9,880 in 2000.
What the name means
The meaning of the Dupont surname
Borrowed from French Dupont, meaning "of the bridge".
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Dupont» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In France’s civil register
France’s register of deaths holds 29,206 people named Dupont.
475 of them were born outside France. Those born in France came from 105 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.
In Belgium’s population register
At least 9,141 people named Dupont 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 Hainaut.
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 Switzerland’s population statistics
658 people named Dupont live in Switzerland.
They live in 16 of Switzerland’s 26 cantons, most of all in Vaud.
Where it concentrates, on the mapWhere they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In Argentina’s national register
At least 590 people named Dupont live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Buenos Aires Province.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In the Nordic population registers
39 people named Dupont is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
In print
Dupont in American newspapers,
1913–1920.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 313,791 pages in all carry the name.
Who carried it
People named Dupont,
with a public archive behind them.
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Jean-Baptiste Dupont d. 1898 · engineer
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Denis Dupont d. 1856 · stage actor
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Ludovic Dupont d. 1898 · engineer
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Jean-Baptiste Dupont d. 1754 · sculptor
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François Dupont d. 1455
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Jeanne-d'Arc Lamy Dupont d. 2007
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Dupont.
- 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
- Dupon 131 · 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
- Duprey 3,381 · U.S. census
When the index is not enough
This page says where Dupont 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.