The Koziel surname
In the 2000 U.S. Census, 754 people carried this name — #29,516 among all U.S. surnames, about 1 in every 357,100 people counted.
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In Poland’s population register
14,076 people named Koziel have a registered home in Poland.
Of the 15,219 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 Silesian.
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 France’s civil register
France’s register of deaths holds 83 people named Koziel.
35 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 Switzerland’s population statistics
35 people named Koziel live in Switzerland.
They live in 3 of Switzerland’s 26 cantons, most of all in Aargau.
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 27 people named Koziel 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 Limburg.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
Nearby in the index
Surnames next to Koziel.
- Kowalewski 2,704 · U.S. census
- Kowalik 1,380 · U.S. census
- Kowalska 135 · U.S. census
- Kowalski 18,134 · U.S. census
- Koza 1,476 · U.S. census
- Kozak 7,672 · U.S. census
- Koziol 3,183 · U.S. census
- Kozlowski 10,363 · U.S. census
- Kozma 1,239 · U.S. census
- Kracher 141 · U.S. census
- Kraemer 7,503 · U.S. census
- Krafft 1,165 · U.S. census
When the index is not enough
This page says where Koziel 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.