The Piechocki surname
In the 2010 U.S. Census, 681 people carried this name — #33,499 among all U.S. surnames, about 1 in every 434,800 people counted. That is down 2% from 698 in 2000.
In Poland’s population register
4,696 people named Piechocki have a registered home in Poland.
Of the 5,262 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 Greater Poland.
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 66 people named Piechocki.
17 of them were born outside France. Those born in France came from 12 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.
In Argentina’s national register
At least 32 people named Piechocki 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.
Who carried it
People named Piechocki,
with a public archive behind them.
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Stefan Piechocki 1883–1968 -
Edmund Piechocki 1885–1947 · economist -
Jan Piechocki 1899–1978 · writer
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Rudolf Piechocki 1919–2000 · zoologist
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Rudolf Piechocki 1919–2000 · zoologist
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Witold Piechocki 1922–1987 · judge
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Piechocki.
- Picone 2,278 · U.S. census
- Picot 343 · U.S. census
- Picou 1,982 · U.S. census
- Picquet 290 · U.S. census
- Picton 380 · U.S. census
- Pie 279 · U.S. census
- Piechota 454 · U.S. census
- Piechowiak 229 · U.S. census
- Piekarski 1,659 · U.S. census
- Piekarz 355 · U.S. census
- Piel 1,367 · U.S. census
- Pien 212 · U.S. census
When the index is not enough
This page says where Piechocki 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.