Demoulin surname: U.S. census count, rank and records | FamilyCrests

The Demoulin surname

In the 2010 U.S. Census, 408 people carried this name — #51,066 among all U.S. surnames, about 1 in every 714,300 people counted. That is up 9% from 376 in 2000.

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In France’s civil register

France’s register of deaths holds 1,895 people named Demoulin.

75 of them were born outside France. Those born in France came from 77 départements, most often Nord.

Where it concentrates, on the map

Where they were born

Born outside France 75
Nord 215
Paris 203
Aisne 158
Ardennes 123
Pas-de-Calais 114
Haute-Saône 70
Côte-d’Or 70
Somme 61

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 1,612 people named Demoulin 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 Liège.

Where it concentrates, on the map

Where they live today

Liège 570
Hainaut 371
Namur 302
Luxembourg Province 148
Walloon Brabant 130
Brussels-Capital 74
Flemish Brabant 10
Antwerp 7

Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.

In Switzerland’s population statistics

21 people named Demoulin live in Switzerland.

They live in 4 of Switzerland’s 26 cantons, most of all in Vaud.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Vaud 9
Zurich 5
Geneva 4
Bern 3

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.

Who carried it

People named Demoulin,
with a public archive behind them.

  • Albert Demoulin
    Albert Demoulin 1863–1946 · politician
  • Alphonse Demoulin
    Alphonse Demoulin 1869–1947 · mathematician
  • Jeanou
    Jeanou 1968– · illustrator
  • Jérôme-René Demoulin 1758–1799 · painter
  • Jean-Baptiste Bordas-Demoulin 1798–1859 · philosopher
  • Marcelin Demoulin 1908–1965 · politician

Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.

Nearby in the index

Surnames next to Demoulin.

When the index is not enough

This page says where Demoulin 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.

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