The Castano surname
In the 2010 U.S. Census, 6,133 people carried this name — #5,660 among all U.S. surnames, about 1 in every 48,100 people counted. That is up 29% from 4,739 in 2000.
In Argentina’s national register
At least 21,425 people named Castano 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.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 340 people named Castano.
Most of them — 184 — were born outside France. Those born in France came from 32 départements, most often Hauts-de-Seine.
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
138 people named Castano live in Switzerland.
They live in 13 of Switzerland’s 26 cantons, most of all in Zurich.
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.
In print
Castano in American newspapers,
1854–1949.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 11,173 pages in all carry the name.
Who carried it
People named Castano,
with a public archive behind them.
-
Ernesto Castano 1939–2023 · association football player -
Germain Castano 1971– · basketball player -
Daniel Castano 1994– · baseball player -
Gregory J. Castano 1931– · judge
-
Xavier Castano 1949– · assistant director
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Maximiliano Castano 1976– · association football player
Wikidata and Wikimedia Commons (CC0) · 19 lives in all are documented under this name.
Nearby in the index
Surnames next to Castano.
- Castaing 226 · U.S. census
- Castaldi 809 · U.S. census
- Castaldo 2,222 · U.S. census
- Castan 226 · U.S. census
- Castaner 203 · U.S. census
- Castanheira 193 · U.S. census
- Castel 711 · U.S. census
- Castelein 146 · U.S. census
- Castell 939 · U.S. census
- Castella 262 · U.S. census
- Castellan 249 · U.S. census
- Castellana 386 · U.S. census
When the index is not enough
This page says where Castano 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.