The Kupczyk surname
In the 2000 U.S. Census, 228 people carried this name — #78,035 among all U.S. surnames, about 1 in every 1,250,000 people counted.
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In Poland’s population register
3,707 people named Kupczyk have a registered home in Poland.
Of the 4,056 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 67 people named Kupczyk.
29 of them were born outside France. Those born in France came from 12 départements, most often Nord.
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.
Nearby in the index
Surnames next to Kupczyk.
- Kung 2,727 · U.S. census
- Kunkler 718 · U.S. census
- Kunstler 105 · U.S. census
- Kuntz 10,788 · U.S. census
- Kunz 9,530 · U.S. census
- Kunze 3,320 · U.S. census
- Kupfer 1,176 · U.S. census
- Kupiec 834 · U.S. census
- Kupper 862 · U.S. census
- Kuras 948 · U.S. census
- Kurek 1,705 · U.S. census
- Kurowski 1,672 · U.S. census
When the index is not enough
This page says where Kupczyk 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.