The Ksiazek surname
In the 2010 U.S. Census, 543 people carried this name — #40,313 among all U.S. surnames, about 1 in every 555,600 people counted. That is down 2% from 556 in 2000.
In Poland’s population register
10,102 people named Ksiazek have a registered home in Poland.
Of the 11,083 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 70 people named Ksiazek.
27 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.
In Argentina’s national register
At least 34 people named Ksiazek live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Buenos Aires Province.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
Nearby in the index
Surnames next to Ksiazek.
- Krys 146 · U.S. census
- Krysiak 756 · U.S. census
- Krzak 263 · U.S. census
- Krzeminski 941 · U.S. census
- Krzyzaniak 303 · U.S. census
- Krzyzanowski 691 · U.S. census
- Kubacki 1,124 · U.S. census
- Kubala 1,269 · U.S. census
- Kubiak 3,674 · U.S. census
- Kubica 598 · U.S. census
- Kubicki 1,029 · U.S. census
- Kubik 2,838 · U.S. census
When the index is not enough
This page says where Ksiazek 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.