The Kozma surname
In the 2010 U.S. Census, 1,294 people carried this name — #20,502 among all U.S. surnames, about 1 in every 227,300 people counted. That is up 4% from 1,239 in 2000.
In Poland’s population register
401 people named Kozma have a registered home in Poland.
Of the 505 in Poland’s national register, these are the ones with a permanent address on file. They live in 13 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 Switzerland’s population statistics
55 people named Kozma live in Switzerland.
They live in 6 of Switzerland’s 26 cantons, most of all in Vaud.
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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In France’s civil register
France’s register of deaths holds 52 people named Kozma.
26 of them were born outside France. Those born in France came from 9 départements, most often Isère.
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 Belgium’s population register
At least 28 people named Kozma 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 Brussels-Capital.
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
63 people named Kozma 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).
Who carried it
People named Kozma,
with a public archive behind them.
-
Sándor Kozma 1825–1897 · politician -
Ferenc Kozma 1826–1892 · agronomist -
Ferenc Kozma 1844–1920 · teacher
-
István Kozma 1856–1925 · opera singer -
Ferenc Kozma 1857–1937 · poet -
Gergely Kozma 1774–1849 · writer
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Kozma.
- Kowalski 18,077 · U.S. census
- Koza 1,469 · U.S. census
- Kozak 7,495 · U.S. census
- Koziel 801 · U.S. census
- Koziol 3,194 · U.S. census
- Kozlowski 10,358 · U.S. census
- Kracher 137 · U.S. census
- Kraemer 7,726 · U.S. census
- Krafft 1,211 · U.S. census
- Kraft 22,035 · U.S. census
- Krahenbuhl 484 · U.S. census
- Krajewski 3,416 · U.S. census
When the index is not enough
This page says where Kozma 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.