The Kupfer surname
In the 2000 U.S. Census, 1,176 people carried this name — #20,871 among all U.S. surnames, about 1 in every 227,300 people counted.
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In Switzerland’s population statistics
790 people named Kupfer live in Switzerland.
They live in 19 of Switzerland’s 26 cantons, most of all in Bern.
Where it concentrates, on the mapWhere they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss · names with fewer than 3 bearers in a canton are not published.
In France’s civil register
France’s register of deaths holds 125 people named Kupfer.
15 of them were born outside France. Those born in France came from 19 départements, most often Haut-Rhin.
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 Poland’s population register
24 people named Kupfer have a registered home in Poland.
Of the 55 in Poland’s national register, these are the ones with a permanent address on file. They live in 3 of Poland’s 16 voivodeships, most of all in Silesian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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.
Nearby in the index
Surnames next to Kupfer.
- 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
- Kupczyk 228 · 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
- Kurt 1,219 · U.S. census
When the index is not enough
This page says where Kupfer 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.