The Leroux surname
In the 2010 U.S. Census, 3,115 people carried this name — #10,339 among all U.S. surnames, about 1 in every 94,300 people counted. That is up 12% from 2,788 in 2000.
In France’s civil register
France’s register of deaths holds 17,155 people named Leroux.
129 of them were born outside France. Those born in France came from 97 départements, most often Seine-Maritime.
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 379 people named Leroux 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 East Flanders.
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 Argentina’s national register
At least 144 people named Leroux 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.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In Switzerland’s population statistics
115 people named Leroux live in Switzerland.
They live in 7 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
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 Leroux,
with a public archive behind them.
-
Laurent Leroux 1759–1855 · politician -
Zulmé Dabadie 1795–1877 · opera singer -
Pierre Leroux 1797–1871 · writer -
Louise-Zulmé Leroux-Coulon 1804–1874 · voice teacher -
Pauline Leroux 1809–1891 · ballet dancer
Wikidata and Wikimedia Commons (CC0) · 222 lives in all are documented under this name.
Nearby in the index
Surnames next to Leroux.
- Lerche 304 · U.S. census
- Lere 105 · U.S. census
- Lerebours 166 · U.S. census
- Leriche 406 · U.S. census
- Lerner 7,672 · U.S. census
- Lerouge 188 · U.S. census
- Leroy 7,759 · U.S. census
- Lesage 1,847 · U.S. census
- Lesch 1,296 · U.S. census
- Lescher 251 · U.S. census
- Leser 517 · U.S. census
- Lesiak 562 · U.S. census
When the index is not enough
This page says where Leroux 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.