The Krupa surname
In the 2010 U.S. Census, 4,073 people carried this name — #8,138 among all U.S. surnames, about 1 in every 72,500 people counted. That is up 2% from 4,006 in 2000.
In Poland’s population register
25,023 people named Krupa have a registered home in Poland.
Of the 27,917 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 174 people named Krupa.
68 of them were born outside France. Those born in France came from 27 départements, most often Oise.
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 Argentina’s national register
At least 69 people named Krupa 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.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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
49 people named Krupa live in Switzerland.
They live in 9 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 Belgium’s population register
At least 33 people named Krupa live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Antwerp.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In the Nordic population registers
77 people named Krupa 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
Krupa in American newspapers,
1921.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 2,629 pages in all carry the name.
Who carried it
People named Krupa,
with a public archive behind them.
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Władysław Krupa 1899–1969 · association football player -
Gene Krupa 1909–1973 · composer -
Alfred Krupa 1915–1989 · inventor -
Alfred Krupa 1915–1989 · inventor
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Józef Krupa 1850–1889 · botanist
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Karel Krupa 1893–1969 · composer
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Krupa.
- Krstic 373 · U.S. census
- Krug 7,827 · U.S. census
- Kruger 13,898 · U.S. census
- Kruk 1,724 · U.S. census
- Krumenacker 401 · U.S. census
- Krumm 2,242 · U.S. census
- Krupka 837 · U.S. census
- Kruth 252 · U.S. census
- Krys 146 · U.S. census
- Krysiak 756 · U.S. census
- Krzak 263 · U.S. census
- Krzeminski 941 · U.S. census
When the index is not enough
This page says where Krupa 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.