The Joos surname
In the 2000 U.S. Census, 1,183 people carried this name — #20,763 among all U.S. surnames, about 1 in every 227,300 people counted.
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In Belgium’s population register
At least 1,608 people named Joos 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 Switzerland’s population statistics
1,059 people named Joos live in Switzerland.
They live in 20 of Switzerland’s 26 cantons, most of all in Graubünden.
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.
In France’s civil register
France’s register of deaths holds 341 people named Joos.
26 of them were born outside France. Those born in France came from 34 départements, most often Nord.
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.
Nearby in the index
Surnames next to Joos.
- Joly 1,305 · U.S. census
- Jon 453 · U.S. census
- Jonas 8,572 · U.S. census
- Jones 1,362,755 · U.S. census
- Jonet 203 · U.S. census
- Jonis 114 · U.S. census
- Jorda 246 · U.S. census
- Jordan 197,212 · U.S. census
- Jordi 122 · U.S. census
- Jordy 224 · U.S. census
- Jore 262 · U.S. census
- Jorge 4,855 · U.S. census
When the index is not enough
This page says where Joos 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.