The Bianchi surname
In the 2010 U.S. Census, 8,284 people carried this name — #4,293 among all U.S. surnames, about 1 in every 35,600 people counted. That is up 4% from 7,928 in 2000.
In Argentina’s national register
At least 14,337 people named Bianchi 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 2,701 people named Bianchi.
661 of them were born outside France. Those born in France came from 82 départements, most often Bouches-du-Rhône.
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
2,665 people named Bianchi live in Switzerland.
They live in 24 of Switzerland’s 26 cantons, most of all in Ticino.
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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In Belgium’s population register
At least 191 people named Bianchi 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 Hainaut.
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 the Nordic population registers
89 people named Bianchi is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
In print
Bianchi in American newspapers,
1905–1957.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 26,439 pages in all carry the name.
Who carried it
People named Bianchi,
with a public archive behind them.
-
Gerardo Bianchi 1220–1302 · Catholic priest -
Archangelo de' Bianchi 1516–1580 · Catholic priest -
Giovanni Bianchi 1693–1775 · naturalist -
Francis Bianchi 1743–1815 · Latin Catholic priest -
Frederick Bianchi, Duke of Casalanza 1768–1855 · military personnel
Wikidata and Wikimedia Commons (CC0) · 157 lives in all are documented under this name.
Nearby in the index
Surnames next to Bianchi.
- Biagioni 320 · U.S. census
- Bial 102 · U.S. census
- Bialas 877 · U.S. census
- Bialek 1,120 · U.S. census
- Bian 709 · U.S. census
- Bianchetti 114 · U.S. census
- Bianchini 1,476 · U.S. census
- Bianco 15,278 · U.S. census
- Biancone 112 · U.S. census
- Bianconi 343 · U.S. census
- Bianucci 193 · U.S. census
- Biard 237 · U.S. census
When the index is not enough
This page says where Bianchi 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.