The Zalewski surname
In the 2010 U.S. Census, 3,812 people carried this name — #8,629 among all U.S. surnames, about 1 in every 77,500 people counted. That is down 2% from 3,886 in 2000.
Where the name comes from
The origin of the Zalewski surname
From zalew + -ski (surname-forming suffix).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Zalewski» (Polish), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Poland’s population register
34,988 people named Zalewski have a registered home in Poland.
Of the 38,506 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 140 people named Zalewski.
31 of them were born outside France. Those born in France came from 22 départements, most often Aisne.
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 69 people named Zalewski 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 Misiones.
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.
In Belgium’s population register
At least 20 people named Zalewski 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 Antwerp.
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 the Nordic population registers
78 people named Zalewski is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
In print
Zalewski in American newspapers,
1904.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 3,896 pages in all carry the name.
Nearby in the index
Surnames next to Zalewski.
- Zaiter 173 · U.S. census
- Zajac 5,270 · U.S. census
- Zak 5,177 · U.S. census
- Zakarian 754 · U.S. census
- Zaki 1,356 · U.S. census
- Zakrzewski 2,016 · U.S. census
- Zambelli 353 · U.S. census
- Zambetti 234 · U.S. census
- Zambon 353 · U.S. census
- Zamboni 341 · U.S. census
- Zammit 830 · U.S. census
- Zamor 811 · U.S. census
When the index is not enough
This page says where Zalewski 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.