The Jankowski surname
In the 2000 U.S. Census, 9,060 people carried this name — #3,603 among all U.S. surnames, about 1 in every 29,800 people counted.
In Poland’s population register
60,313 people named Jankowski have a registered home in Poland.
Of the 67,183 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 653 people named Jankowski.
166 of them were born outside France. Those born in France came from 44 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 Switzerland’s population statistics
105 people named Jankowski live in Switzerland.
They live in 14 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.
In Belgium’s population register
At least 29 people named Jankowski 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 Hainaut.
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 print
Jankowski in American newspapers,
1868–1958.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 12,216 pages in all carry the name.
Nearby in the index
Surnames next to Jankowski.
- Janik 3,017 · U.S. census
- Janin 133 · U.S. census
- Janis 3,814 · U.S. census
- Janiszewski 1,192 · U.S. census
- Jankovic 577 · U.S. census
- Jankowiak 610 · U.S. census
- Janky 107 · U.S. census
- Jannetta 149 · U.S. census
- Janny 130 · U.S. census
- Janowski 2,020 · U.S. census
- Jans 1,096 · U.S. census
- Jansen 16,036 · U.S. census
When the index is not enough
This page says where Jankowski 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.