The Rosenbaum surname
In the 2000 U.S. Census, 8,985 people carried this name — #3,632 among all U.S. surnames, about 1 in every 30,000 people counted.
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In France’s civil register
France’s register of deaths holds 117 people named Rosenbaum.
40 of them were born outside France. Those born in France came from 16 départements, most often Paris.
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 Poland’s population register
72 people named Rosenbaum have a registered home in Poland.
Of the 134 in Poland’s national register, these are the ones with a permanent address on file. They live in 6 of Poland’s 16 voivodeships, most of all in Masovian.
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 Switzerland’s population statistics
56 people named Rosenbaum live in Switzerland.
They live in 7 of Switzerland’s 26 cantons, most of all in Zurich.
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 · names with fewer than 3 bearers in a canton are not published.
In Belgium’s population register
At least 32 people named Rosenbaum 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 Antwerp.
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.
Nearby in the index
Surnames next to Rosenbaum.
- Roselle 849 · U.S. census
- Roselli 1,878 · U.S. census
- Rosellini 263 · U.S. census
- Rosello 606 · U.S. census
- Rosemond 1,890 · U.S. census
- Rosen 22,763 · U.S. census
- Rosenberg 25,271 · U.S. census
- Rosenberger 6,875 · U.S. census
- Rosenblatt 3,564 · U.S. census
- Rosenblum 4,139 · U.S. census
- Rosenfeld 6,152 · U.S. census
- Rosenfelder 179 · U.S. census
When the index is not enough
This page says where Rosenbaum 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.