The Roost surname
In the 2010 U.S. Census, 110 people carried this name — #149,395 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is down 30% from 157 in 2000.
In Switzerland’s population statistics
432 people named Roost live in Switzerland.
They live in 13 of Switzerland’s 26 cantons, most of all in Zurich.
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/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 50 people named Roost.
Those born in France came from 12 départements, most often Haut-Rhin.
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 22 people named Roost 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 Hainaut.
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.
Who carried it
People named Roost,
with a public archive behind them.
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Melchior Roost 1819– · politician
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Jakob Roost 1872– · politician
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Heinrich Roost 1872–1936
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Walter Roost 1898– · politician
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Heinrich Roost 1900– · association football player
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Werner Roost 1909– · submariner
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Roost.
- Ronne 309 · U.S. census
- Ronsse 122 · U.S. census
- Room 157 · U.S. census
- Roos 5,051 · U.S. census
- Roose 2,119 · U.S. census
- Roosen 228 · U.S. census
- Roper 20,065 · U.S. census
- Ropers 127 · U.S. census
- Ropp 2,270 · U.S. census
- Roque 15,203 · U.S. census
- Roques 399 · U.S. census
- Roquet 333 · U.S. census
When the index is not enough
This page says where Roost 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.