The Jasiak surname
In the 2010 U.S. Census, 164 people carried this name — #108,199 among all U.S. surnames, about 1 in every 1,666,700 people counted. That is up 1% from 162 in 2000.
In Poland’s population register
3,130 people named Jasiak have a registered home in Poland.
Of the 3,422 in Poland’s national register, these are the ones with a permanent address on file. They live in 15 of Poland’s 16 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 84 people named Jasiak.
16 of them were born outside France. Those born in France came from 11 départements, most often Pas-de-Calais.
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.
Who carried it
People named Jasiak,
with a public archive behind them.
-
Henryk Jasiak 1936–2008 · journalist
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Joann Jasiak 1963– · economist
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Anna Jasiak 1980– · jurist
Wikidata (CC0).
Nearby in the index
Surnames next to Jasiak.
- Jarret 395 · U.S. census
- Jarrin 466 · U.S. census
- Jarry 429 · U.S. census
- Jarvis 35,350 · U.S. census
- Jary 114 · U.S. census
- Jas 117 · U.S. census
- Jasinski 3,679 · U.S. census
- Jaskula 234 · U.S. census
- Jaskulski 398 · U.S. census
- Jasmin 2,064 · U.S. census
- Jason 4,048 · U.S. census
- Jastrzebski 477 · U.S. census
When the index is not enough
This page says where Jasiak 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.