The Castiglione surname
In the 2000 U.S. Census, 2,039 people carried this name — #13,648 among all U.S. surnames, about 1 in every 131,600 people counted.
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In Belgium’s population register
At least 179 people named Castiglione 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 Liège.
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 175 people named Castiglione.
Most of them — 111 — were born outside France. Those born in France came from 10 départements, most often Bouches-du-Rhône.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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
130 people named Castiglione live in Switzerland.
They live in 10 of Switzerland’s 26 cantons, most of all in Basel-Landschaft.
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 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Castiglione.
- Castello 3,140 · U.S. census
- Castellon 5,557 · U.S. census
- Castells 161 · U.S. census
- Castellucci 687 · U.S. census
- Caster 3,065 · U.S. census
- Castiglia 1,078 · U.S. census
- Castiglioni 266 · U.S. census
- Castilla 1,638 · U.S. census
- Castille 2,689 · U.S. census
- Castillo 165,473 · U.S. census
- Castillon 1,293 · U.S. census
- Castin 158 · U.S. census
When the index is not enough
This page says where Castiglione 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.