The Klug surname
In the 2010 U.S. Census, 6,041 people carried this name — #5,737 among all U.S. surnames, about 1 in every 48,800 people counted. About the same as in 2000 (6,023).
Where the name comes from
The origin of the Klug surname
A male surname from German.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Klug» (Czech), 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 924 people named Klug 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.
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 Switzerland’s population statistics
131 people named Klug live in Switzerland.
They live in 13 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/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 58 people named Klug.
11 of them were born outside France. Those born in France came from 7 départements, most often Bas-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 Poland’s population register
36 people named Klug have a registered home in Poland.
Of the 67 in Poland’s national register, these are the ones with a permanent address on file. They live in 6 of Poland’s 16 voivodeships, most of all in West Pomeranian.
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
84 people named Klug is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
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).
In print
Klug in American newspapers,
1925.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 66,191 pages in all carry the name.
Who carried it
People named Klug,
with a public archive behind them.
-
David Klug 1618–1688 · writer -
Johann Christoph Friedrich Klug 1775–1856 · physician -
Karl Klug 1799–1872 · historian -
Peter Klug d. 1481 · printer
-
Thomas Klug d. 1563 · book printer
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Guillermo Klug d. 1946 · botanist
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Klug.
- Klopfenstein 1,604 · U.S. census
- Klopp 2,073 · U.S. census
- Klos 2,479 · U.S. census
- Klosowski 708 · U.S. census
- Kloster 1,474 · U.S. census
- Klotz 6,021 · U.S. census
- Klumpp 1,300 · U.S. census
- Kmiec 1,053 · U.S. census
- Kmieciak 266 · U.S. census
- Kmiecik 786 · U.S. census
- Knab 976 · U.S. census
- Knaebel 253 · U.S. census
When the index is not enough
This page says where Klug 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.