The Dietz surname
In the 2010 U.S. Census, 18,720 people carried this name — #1,925 among all U.S. surnames, about 1 in every 15,700 people counted. That is up 1% from 18,568 in 2000.
In Argentina’s national register
At least 1,563 people named Dietz 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 434 people named Dietz.
31 of them were born outside France. Those born in France came from 46 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 Switzerland’s population statistics
295 people named Dietz live in Switzerland.
They live in 16 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 the Nordic population registers
52 people named Dietz are counted in Sweden and Finland.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published. Finland counts its citizens, at home or abroad.
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) · Digital and Population Data Services Agency (DVV), Finland, surname statistics, August 2026 — CC BY 4.0.
In print
Dietz in American newspapers,
1910–1914.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 62,691 pages in all carry the name.
Who carried it
People named Dietz,
with a public archive behind them.
-
Ferdinand Dietz 1708–1777 · artist -
Martin Dietz 1765–1843 · school teacher -
Feodor Dietz 1813–1870 · war artist -
Hermann Dietz 1845–1920 · teacher -
Sándor Mágócsy-Dietz 1855–1945 · botanist
Wikidata and Wikimedia Commons (CC0) · 213 lives in all are documented under this name.
Nearby in the index
Surnames next to Dietz.
- Dieterich 1,148 · U.S. census
- Dieterle 1,042 · U.S. census
- Dietlin 298 · U.S. census
- Dietrich 15,904 · U.S. census
- Dietsch 1,240 · U.S. census
- Diette 163 · U.S. census
- Dieu 805 · U.S. census
- Dieudonne 906 · U.S. census
- Diez 3,502 · U.S. census
- Dignan 1,036 · U.S. census
- Dile 412 · U.S. census
- Dilger 886 · U.S. census
When the index is not enough
This page says where Dietz 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.
