The Claus surname
In the 2000 U.S. Census, 3,620 people carried this name — #8,393 among all U.S. surnames, about 1 in every 74,600 people counted.
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In Belgium’s population register
At least 3,318 people named Claus 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 France’s civil register
France’s register of deaths holds 774 people named Claus.
54 of them were born outside France. Those born in France came from 44 départements, most often Bas-Rhin.
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 Switzerland’s population statistics
170 people named Claus live in Switzerland.
They live in 14 of Switzerland’s 26 cantons, most of all in Zurich.
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 Claus.
- Clary 10,918 · U.S. census
- Classen 1,851 · U.S. census
- Claud 618 · U.S. census
- Claude 1,789 · U.S. census
- Claudio 5,263 · U.S. census
- Claudy 217 · U.S. census
- Clause 1,273 · U.S. census
- Clausel 145 · U.S. census
- Clausen 8,895 · U.S. census
- Clauson 2,228 · U.S. census
- Clauss 1,837 · U.S. census
- Clave 119 · U.S. census
When the index is not enough
This page says where Claus 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.