The Prost surname
In the 2010 U.S. Census, 824 people carried this name — #28,856 among all U.S. surnames, about 1 in every 357,100 people counted. That is up 11% from 742 in 2000.
In France’s civil register
France’s register of deaths holds 4,631 people named Prost.
95 of them were born outside France. Those born in France came from 85 départements, most often Saône-et-Loire.
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 Argentina’s national register
At least 590 people named Prost 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.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In Switzerland’s population statistics
116 people named Prost live in Switzerland.
They live in 8 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 Poland’s population register
49 people named Prost have a registered home in Poland.
Of the 60 in Poland’s national register, these are the ones with a permanent address on file. They live in 5 of Poland’s 16 voivodeships, most of all in Lower Silesian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
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 the Nordic population registers
33 people named Prost is counted in Finland.
Finland counts its citizens, at home or abroad.
Counted, by country
Digital and Population Data Services Agency (DVV), Finland, surname statistics, August 2026 — CC BY 4.0.
Who carried it
People named Prost,
with a public archive behind them.
-
Antoine-François Prost de Royer 1729–1784 · lawyer -
Claude Prost 1764–1834 · military officer -
T.C. Prost d. 1848 · botanist
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Claude Prost 1639–1679 · book printer
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Claude-Charles Prost 1742–1804 · politician
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Louis-Balthazar-Frédéric Prost 1760–1816 · politician
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Prost.
- Prola 133 · U.S. census
- Pron 178 · U.S. census
- Prophete 1,219 · U.S. census
- Prosper 1,352 · U.S. census
- Prosperi 451 · U.S. census
- Prospero 508 · U.S. census
- Protano 148 · U.S. census
- Proteau 216 · U.S. census
- Proto 1,252 · U.S. census
- Proud 1,250 · U.S. census
- Prouhet 111 · U.S. census
- Prout 2,733 · U.S. census
When the index is not enough
This page says where Prost 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.