The Korczak surname
In the 2010 U.S. Census, 272 people carried this name — #71,678 among all U.S. surnames, about 1 in every 1,111,100 people counted. That is up 13% from 240 in 2000.
In Poland’s population register
5,307 people named Korczak have a registered home in Poland.
Of the 5,776 in Poland’s national register, these are the ones with a permanent address on file. They live in all 16 of Poland’s voivodeships, most of all in Masovian.
Where it concentrates, on the mapWhere 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 57 people named Korczak.
18 of them were born outside France. Those born in France came from 15 départements, most often Moselle.
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 Korczak,
with a public archive behind them.
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Marian Korczak 1897–1940 · equestrian -
Stanisław Korczak 1896–1940 · police officer
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Andrzej Korczak 1896–1991
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Jerzy Korczak 1927–2021 · writer
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Marian Korczak 1930–1994 · politician
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Mateusz Eugeniusz Korczak 1930–2017 · friar
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Korczak.
- Kopf 2,415 · U.S. census
- Kopff 132 · U.S. census
- Kopp 11,175 · U.S. census
- Koppe 387 · U.S. census
- Koralewski 328 · U.S. census
- Korb 2,287 · U.S. census
- Korkmaz 222 · U.S. census
- Kormann 186 · U.S. census
- Korn 5,442 · U.S. census
- Korner 527 · U.S. census
- Kornmann 180 · U.S. census
- Kos 1,669 · U.S. census
When the index is not enough
This page says where Korczak 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.