The Bloch surname
In the 2010 U.S. Census, 4,817 people carried this name — #6,965 among all U.S. surnames, about 1 in every 61,300 people counted. That is up 8% from 4,478 in 2000.
In Poland’s population register
6,099 people named Bloch have a registered home in Poland.
Of the 6,823 in Poland’s national register, these are the ones with a permanent address on file. They live in all 16 of Poland’s voivodeships, most of all in Masovian.
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 France’s civil register
France’s register of deaths holds 2,071 people named Bloch.
165 of them were born outside France. Those born in France came from 76 départements, most often Paris.
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 Switzerland’s population statistics
1,483 people named Bloch live in Switzerland.
They live in 23 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 · names with fewer than 3 bearers in a canton are not published.
In Argentina’s national register
At least 297 people named Bloch 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 Misiones.
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 Belgium’s population register
At least 67 people named Bloch 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.
Nearby in the index
Surnames next to Bloch.
- Blessing 5,263 · U.S. census
- Blevin 167 · U.S. census
- Bley 1,260 · U.S. census
- Bleyer 264 · U.S. census
- Blier 428 · U.S. census
- Blind 835 · U.S. census
- Blocher 1,733 · U.S. census
- Block 21,717 · U.S. census
- Blois 230 · U.S. census
- Blom 3,103 · U.S. census
- Blomme 296 · U.S. census
- Blon 128 · U.S. census
When the index is not enough
This page says where Bloch 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.