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

The Demont surname

In the 2010 U.S. Census, 586 people carried this name — #37,899 among all U.S. surnames, about 1 in every 500,000 people counted. That is down 9% from 643 in 2000.

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In France’s civil register

France’s register of deaths holds 1,282 people named Demont.

10 of them were born outside France. Those born in France came from 69 départements, most often Pas-de-Calais.

Where it concentrates, on the map

Where they were born

Born outside France 10
Pas-de-Calais 249
Saône-et-Loire 172
Nord 140
Loire 91
Paris 91
Charente 56
Oise 55
Rhône 43

Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.

In Switzerland’s population statistics

618 people named Demont live in Switzerland.

They live in 16 of Switzerland’s 26 cantons, most of all in Vaud.

Where it concentrates, on the map

Where they live today

Vaud 225
Graubünden 156
Zurich 74
Valais 31
Geneva 25
Aargau 22
Fribourg 18
St. Gallen 17

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 Belgium’s population register

At least 28 people named Demont 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 Antwerp.

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

Where they live today

Antwerp 28

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

Who carried it

People named Demont,
with a public archive behind them.

  • Virginie Demont-Breton
    Virginie Demont-Breton 1859–1935 · writer
  • Toussaint Demont
    Toussaint Demont 1865– · flautist
  • Adrien Demont 1851–1928 · painter
  • Henri Demont 1877–1959 · jurist
  • Franz Wolfgang Demont 1880–1964 · Catholic priest
  • Adrienne Ball-Demont 1886–1935 · painter

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

Nearby in the index

Surnames next to Demont.

When the index is not enough

This page says where Demont 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.

See what a volume holds
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