The Diehl surname
In the 2010 U.S. Census, 18,815 people carried this name — #1,916 among all U.S. surnames, about 1 in every 15,700 people counted. That is up 1% from 18,538 in 2000.
What the name means
The meaning of the Diehl surname
From the German surname, from personal names deriving from the base Diet- (such as the first element of Dietrich), eventually from Proto-West Germanic *þeudu (“people”).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Diehl» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Argentina’s national register
At least 347 people named Diehl 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 296 people named Diehl.
29 of them were born outside France. Those born in France came from 40 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
188 people named Diehl 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 Poland’s population register
33 people named Diehl have a registered home in Poland.
Of the 60 in Poland’s national register, these are the ones with a permanent address on file. They live in 3 of Poland’s 16 voivodeships, most of all in Masovian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In the Nordic population registers
85 people named Diehl 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.
Who carried it
People named Diehl,
with a public archive behind them.
-
Carl Wilhelm Diehl 1824–1885 · writer -
Conrad Diehl 1843–1918 · politician -
William J. Diehl 1845–1929 · politician -
Philip Diehl 1847–1913 · engineer -
Charles Diehl 1859–1944 · historian
Wikidata and Wikimedia Commons (CC0) · 184 lives in all are documented under this name.
Nearby in the index
Surnames next to Diehl.
- Diebold 2,042 · U.S. census
- Diebolt 284 · U.S. census
- Diederich 2,322 · U.S. census
- Diederichs 326 · U.S. census
- Diedrich 3,655 · U.S. census
- Diego 6,141 · U.S. census
- Diel 1,244 · U.S. census
- Dieleman 295 · U.S. census
- Diem 1,771 · U.S. census
- Diemer 2,154 · U.S. census
- Diemert 571 · U.S. census
- Dien 340 · U.S. census
When the index is not enough
This page says where Diehl 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.