The Kuster surname
In the 2010 U.S. Census, 1,963 people carried this name — #15,048 among all U.S. surnames, about 1 in every 149,300 people counted. That is down 3% from 2,019 in 2000.
In Switzerland’s population statistics
3,520 people named Kuster live in Switzerland.
They live in all 26 of Switzerland’s cantons, most of all in St. Gallen.
Where it concentrates, on the mapWhere 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 France’s civil register
France’s register of deaths holds 579 people named Kuster.
31 of them were born outside France. Those born in France came from 38 départements, most often Haut-Rhin.
Where it concentrates, on the mapWhere they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Poland’s population register
571 people named Kuster have a registered home in Poland.
Of the 652 in Poland’s national register, these are the ones with a permanent address on file. They live in 11 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 Argentina’s national register
At least 146 people named Kuster 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 Entre Ríos.
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 Kuster.
- Kury 334 · U.S. census
- Kurz 3,874 · U.S. census
- Kurzawa 394 · U.S. census
- Kus 936 · U.S. census
- Kusiak 541 · U.S. census
- Kuss 1,700 · U.S. census
- Kusz 271 · U.S. census
- Kuta 1,212 · U.S. census
- Kutter 445 · U.S. census
- Kuttler 292 · U.S. census
- Kuzma 2,588 · U.S. census
- Kwasniewski 723 · U.S. census
When the index is not enough
This page says where Kuster 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.