The Pietrzak surname
In the 2010 U.S. Census, 2,044 people carried this name — #14,571 among all U.S. surnames, about 1 in every 144,900 people counted. That is down 1% from 2,055 in 2000.
In Poland’s population register
34,479 people named Pietrzak have a registered home in Poland.
Of the 37,599 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 415 people named Pietrzak.
133 of them were born outside France. Those born in France came from 37 départements, most often Pas-de-Calais.
Where it concentrates, on the mapWhere they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Belgium’s population register
At least 30 people named Pietrzak 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
103 people named Pietrzak 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
Pietrzak in American newspapers,
1901–1957.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 948 pages in all carry the name.
Who carried it
People named Pietrzak,
with a public archive behind them.
-
Irena Pietrzak-Pawłowska 1909–1994 · historian -
Włodzimierz Pietrzak 1913–1944 · writer -
Tadeusz Pietrzak 1926–2014 · politician -
Jerzy Pietrzak 1928–2011 · physicist -
Michał Pietrzak 1929–2021 · jurist
Wikidata and Wikimedia Commons (CC0) · 93 lives in all are documented under this name.
Nearby in the index
Surnames next to Pietrzak.
- Pietrantoni 225 · U.S. census
- Pietras 1,252 · U.S. census
- Pietri 592 · U.S. census
- Pietrini 145 · U.S. census
- Pietrowski 1,168 · U.S. census
- Pietruszka 400 · U.S. census
- Pietrzyk 616 · U.S. census
- Piette 961 · U.S. census
- Piga 110 · U.S. census
- Pigeon 1,661 · U.S. census
- Pignatelli 467 · U.S. census
- Piguet 174 · U.S. census
When the index is not enough
This page says where Pietrzak 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.