The Diem surname
In the 2010 U.S. Census, 1,771 people carried this name — #16,284 among all U.S. surnames, about 1 in every 166,700 people counted. That is up 1% from 1,754 in 2000.
In Switzerland’s population statistics
675 people named Diem live in Switzerland.
They live in 21 of Switzerland’s 26 cantons, most of all in Zurich.
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 France’s civil register
France’s register of deaths holds 169 people named Diem.
7 of them were born outside France. Those born in France came from 14 départements, most often Bas-Rhin.
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 Argentina’s national register
At least 29 people named Diem 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 Misiones.
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.
Who carried it
People named Diem,
with a public archive behind them.
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Hans Diem d. 1949 · association football player
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August Diem 1848–1895 · politician
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Ulrich Diem 1871–1957 · author
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Otto Diem 1875–1950 · general practitioner
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Ida Diem-Tilp 1877–1957 · painter
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Ludwig Diem 1882–1978 · physician
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Diem.
- Diederichs 326 · U.S. census
- Diedrich 3,655 · U.S. census
- Diego 6,141 · U.S. census
- Diehl 18,815 · U.S. census
- Diel 1,244 · U.S. census
- Dieleman 295 · U.S. census
- Diemer 2,154 · U.S. census
- Diemert 571 · U.S. census
- Dien 340 · U.S. census
- Diener 2,900 · U.S. census
- Dieng 582 · U.S. census
- Diep 6,168 · U.S. census
When the index is not enough
This page says where Diem 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.
