The Arenas surname
In the 2010 U.S. Census, 11,809 people carried this name — #3,035 among all U.S. surnames, about 1 in every 25,000 people counted. That is up 44% from 8,220 in 2000.
In Argentina’s national register
At least 8,743 people named Arenas 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 Mendoza.
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 191 people named Arenas.
78 of them were born outside France. Those born in France came from 29 départements, most often Gironde.
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
124 people named Arenas live in Switzerland.
They live in 11 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
44 people named Arenas 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
Arenas in American newspapers,
1904–1914.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 458,666 pages in all carry the name.
Who carried it
People named Arenas,
with a public archive behind them.
-
Antonio Arenas 1808–1891 · judge -
Martín Arenas 1808–1871 · military personnel
-
Alejandro Arenas 1842–1912 · lawyer -
Anselmo Arenas López 1844–1928 · writer -
Germán Arenas 1870–1948 · lawyer -
Mauricio Fabio Arenas Bejas d. 1991 · university student
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Arenas.
- Ardoin 3,955 · U.S. census
- Ardon 2,870 · U.S. census
- Arduini 569 · U.S. census
- Arduino 266 · U.S. census
- Arellano 50,104 · U.S. census
- Arena 6,706 · U.S. census
- Arend 1,943 · U.S. census
- Arens 3,060 · U.S. census
- Arent 1,186 · U.S. census
- Ares 1,104 · U.S. census
- Arevalo 23,895 · U.S. census
- Argenta 197 · U.S. census
When the index is not enough
This page says where Arenas 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.