The Decoster surname
In the 2000 U.S. Census, 1,039 people carried this name — #22,983 among all U.S. surnames, about 1 in every 256,400 people counted.
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In Belgium’s population register
At least 2,477 people named Decoster 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 Flemish Brabant.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 742 people named Decoster.
36 of them were born outside France. Those born in France came from 40 départements, most often Nord.
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.
Nearby in the index
Surnames next to Decoster.
- Decock 413 · U.S. census
- Decocq 118 · U.S. census
- Deconinck 194 · U.S. census
- Decorte 499 · U.S. census
- Decory 145 · U.S. census
- Decosse 153 · U.S. census
- Decot 193 · U.S. census
- Decou 431 · U.S. census
- Decoux 387 · U.S. census
- Decraene 226 · U.S. census
- Decroix 163 · U.S. census
- Dede 482 · U.S. census
When the index is not enough
This page says where Decoster 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.