The Alfaro surname
In the 2010 U.S. Census, 35,725 people carried this name — #975 among all U.S. surnames, about 1 in every 8,260 people counted. That is up 48% from 24,108 in 2000.
What the name means
The meaning of the Alfaro surname
Borrowed from Spanish Alfaro, a toponymic surname originating in Alfaro, La Rioja, most commonly used in Latin America.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Alfaro» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Argentina’s national register
At least 18,244 people named Alfaro 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 145 people named Alfaro.
35 of them were born outside France. Those born in France came from 21 départements, most often Pyrénées-Atlantiques.
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
101 people named Alfaro live in Switzerland.
They live in 10 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 the Nordic population registers
61 people named Alfaro 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
Alfaro in American newspapers,
1873–1955.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 15,534 pages in all carry the name.
Who carried it
People named Alfaro,
with a public archive behind them.
-
José Alfaro Sandoval 1801–1865 · military personnel -
Nicolás Alfaro y Brieva 1826–1905 · painter -
Eloy Alfaro 1842–1912 · politician -
Anastasio Vazquez 1865–1951 · zoologist -
Flavio Alfaro 1865–1912 · military personnel
Wikidata and Wikimedia Commons (CC0) · 218 lives in all are documented under this name.
Nearby in the index
Surnames next to Alfaro.
- Alex 5,476 · U.S. census
- Alexander 204,621 · U.S. census
- Alexandre 4,675 · U.S. census
- Alexanian 402 · U.S. census
- Alexis 6,915 · U.S. census
- Alfano 4,724 · U.S. census
- Alfieri 2,092 · U.S. census
- Alfonsi 371 · U.S. census
- Alfonso 12,246 · U.S. census
- Alfred 6,490 · U.S. census
- Alger 6,306 · U.S. census
- Ali 60,002 · U.S. census
When the index is not enough
This page says where Alfaro 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.