The Deppen surname
In the 2010 U.S. Census, 833 people carried this name — #28,618 among all U.S. surnames, about 1 in every 357,100 people counted. That is up 5% from 792 in 2000.
In Argentina’s national register
At least 68 people named Deppen 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 Entre Ríos.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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 53 people named Deppen.
1 of them were born outside France. Those born in France came from 8 départements, most often Haut-Rhin.
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
33 people named Deppen live in Switzerland.
They live in 1 of Switzerland’s 26 cantons, most of all in Vaud.
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.
Nearby in the index
Surnames next to Deppen.
- Depaul 2,115 · U.S. census
- Depauw 795 · U.S. census
- Depetris 414 · U.S. census
- Depierre 123 · U.S. census
- Depoorter 185 · U.S. census
- Depp 808 · U.S. census
- Depre 129 · U.S. census
- Deprey 647 · U.S. census
- Deprez 536 · U.S. census
- Deprince 181 · U.S. census
- Depuydt 252 · U.S. census
- Deraedt 106 · U.S. census
When the index is not enough
This page says where Deppen 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.