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

The Demars surname

In the 2010 U.S. Census, 4,097 people carried this name — #8,093 among all U.S. surnames, about 1 in every 71,900 people counted. That is up 10% from 3,717 in 2000.

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In France’s civil register

France’s register of deaths holds 867 people named Demars.

4 of them were born outside France. Those born in France came from 49 départements, most often Haute-Vienne.

Where it concentrates, on the map

Where they were born

Born outside France 4
Haute-Vienne 181
Haute-Loire 164
Paris 83
Ardèche 81
Ardennes 74
Nord 53
Loire 37
Seine-et-Marne 27

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 125 people named Demars 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 Namur.

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

Where they live today

Namur 94
Hainaut 31

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

In print

Demars in American newspapers,
1891–1908.

Newspaper page from The Oasis carrying the name Demars
The Oasis 1901-11-30
Newspaper page from St. Paul Daily Globe carrying the name Demars
St. Paul Daily Globe 1891-10-27
Newspaper page from The Times And Democrat carrying the name Demars
The Times And Democrat 1908-08-25

Chronicling America, Library of Congress — digitised newspapers in the public domain · 22,849 pages in all carry the name.

Who carried it

People named Demars,
with a public archive behind them.

  • Hélène-Louise Demars 1736–1778 · composer
  • Odon Nicolas Loeillot Demars 1751–1808 · military officer
  • Suzanne Demars 1892–1979 · stage actor
  • Patrick Demars 1953– · basketball player
  • Nicole Demars 1970– · sport cyclist

Wikidata (CC0).

Nearby in the index

Surnames next to Demars.

When the index is not enough

This page says where Demars 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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