The Steffan surname
In the 2000 U.S. Census, 1,787 people carried this name — #15,139 among all U.S. surnames, about 1 in every 151,500 people counted.
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In France’s civil register
France’s register of deaths holds 347 people named Steffan.
31 of them were born outside France. Those born in France came from 29 départements, most often Haut-Rhin.
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 Poland’s population register
76 people named Steffan have a registered home in Poland.
Of the 86 in Poland’s national register, these are the ones with a permanent address on file. They live in 6 of Poland’s 16 voivodeships, most of all in Kuyavian-Pomeranian.
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.
In Switzerland’s population statistics
41 people named Steffan live in Switzerland.
They live in 7 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 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Steffan.
- Stefaniak 1,012 · U.S. census
- Stefanini 247 · U.S. census
- Stefano 1,235 · U.S. census
- Stefanovic 289 · U.S. census
- Stefanski 2,353 · U.S. census
- Steff 289 · U.S. census
- Steffe 477 · U.S. census
- Steffen 11,252 · U.S. census
- Steger 4,840 · U.S. census
- Stegmann 517 · U.S. census
- Stegner 1,510 · U.S. census
- Stehle 1,410 · U.S. census
When the index is not enough
This page says where Steffan 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.