The Arca surname
In the 2010 U.S. Census, 700 people carried this name — #32,792 among all U.S. surnames, about 1 in every 416,700 people counted. That is up 30% from 538 in 2000.
In Argentina’s national register
At least 1,032 people named Arca 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 69 people named Arca.
Most of them — 44 — 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
21 people named Arca live in Switzerland.
They live in 4 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 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Arca.
- Arban 187 · U.S. census
- Arbeit 119 · U.S. census
- Arbogast 5,625 · U.S. census
- Arbon 305 · U.S. census
- Arbona 264 · U.S. census
- Arbore 191 · U.S. census
- Arcamone 147 · U.S. census
- Arcangeli 215 · U.S. census
- Arcaro 721 · U.S. census
- Arce 19,464 · U.S. census
- Archambault 4,391 · U.S. census
- Archambeau 1,055 · U.S. census
When the index is not enough
This page says where Arca 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.