The Mrozek surname
In the 2010 U.S. Census, 1,415 people carried this name — #19,189 among all U.S. surnames, about 1 in every 208,300 people counted. That is down 7% from 1,526 in 2000.
Where the name comes from
The origin of the Mrozek surname
From Polish Mrozek, Mrózek, or Mrożek.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Mrozek» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Poland’s population register
9,995 people named Mrozek have a registered home in Poland.
Of the 11,316 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 Silesian.
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 79 people named Mrozek.
28 of them were born outside France. Those born in France came from 15 départements, most often Pas-de-Calais.
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 Switzerland’s population statistics
24 people named Mrozek live in Switzerland.
They live in 3 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 the Nordic population registers
20 people named Mrozek 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).
Who carried it
People named Mrozek,
with a public archive behind them.
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Józef Mrozek 1908–1970 · military officer -
Ryszard Mrozek 1954– · association football player -
Bogdan Mrozek 1910–1967 · architect
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Emil Mrozek 1911–
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Wanda Mrozek 1915–2005 · researcher
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Bogusław Mrozek 1930–2020 · historian
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Mrozek.
- Moyse 367 · U.S. census
- Moze 106 · U.S. census
- Mozer 442 · U.S. census
- Mroczkowski 635 · U.S. census
- Mrowka 301 · U.S. census
- Mroz 2,834 · U.S. census
- Mucci 2,208 · U.S. census
- Mucha 2,563 · U.S. census
- Muck 1,808 · U.S. census
- Muckensturm 135 · U.S. census
- Mudry 444 · U.S. census
- Mueller 64,191 · U.S. census
When the index is not enough
This page says where Mrozek 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.