The Demus surname
In the 2010 U.S. Census, 628 people carried this name — #35,764 among all U.S. surnames, about 1 in every 476,200 people counted. That is down 3% from 647 in 2000.
In Poland’s population register
95 people named Demus have a registered home in Poland.
Of the 199 in Poland’s national register, these are the ones with a permanent address on file. They live in 8 of Poland’s 16 voivodeships, most of all in Subcarpathian.
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 France’s civil register
France’s register of deaths holds 66 people named Demus.
2 of them were born outside France. Those born in France came from 13 départements, most often Saône-et-Loire.
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.
Who carried it
People named Demus,
with a public archive behind them.
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Otto Demus 1902–1990 · art historian
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Klaus Demus 1927–2023 · writer
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Jörg Demus 1928–2019 · composer
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László Demus 1942–1994 · diplomat
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Aleksandr Demus 1947– · hurdler
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Iván Demus 1949– · politician
Wikidata (CC0) · 9 lives in all are documented under this name.
Nearby in the index
Surnames next to Demus.
- Demora 192 · U.S. census
- Demore 941 · U.S. census
- Demory 554 · U.S. census
- Demoulin 408 · U.S. census
- Demouy 219 · U.S. census
- Demunck 133 · U.S. census
- Demuth 2,643 · U.S. census
- Demuynck 137 · U.S. census
- Denais 159 · U.S. census
- Denamur 156 · U.S. census
- Denard 1,003 · U.S. census
- Dene 193 · U.S. census
When the index is not enough
This page says where Demus 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.