The Dufour surname
In the 2000 U.S. Census, 4,525 people carried this name — #6,846 among all U.S. surnames, about 1 in every 59,500 people counted.
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In France’s civil register
France’s register of deaths holds 20,634 people named Dufour.
229 of them were born outside France. Those born in France came from 103 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 2,051 people named Dufour 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
633 people named Dufour live in Switzerland.
They live in 10 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 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Dufour.
- Dufer 129 · U.S. census
- Duffey 6,000 · U.S. census
- Duffner 446 · U.S. census
- Duffy 37,962 · U.S. census
- Duflo 138 · U.S. census
- Dufort 588 · U.S. census
- Dufraine 103 · U.S. census
- Dufrane 482 · U.S. census
- Dufrene 3,047 · U.S. census
- Dufrenne 113 · U.S. census
- Dufresne 4,419 · U.S. census
- Dugal 646 · U.S. census
When the index is not enough
This page says where Dufour 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.