The Dekoninck surname
In the 2010 U.S. Census, 115 people carried this name — #144,141 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is up 3% from 112 in 2000.
In Belgium’s population register
At least 425 people named Dekoninck 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 155 people named Dekoninck.
3 of them were born outside France. Those born in France came from 11 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 Dekoninck.
- Dejonghe 231 · U.S. census
- Deken 199 · U.S. census
- Dekeyser 811 · U.S. census
- Dekeyzer 169 · U.S. census
- Dekker 2,246 · U.S. census
- Dekoker 141 · U.S. census
- Dekoster 230 · U.S. census
- Del 369 · U.S. census
- Dela 762 · U.S. census
- Delabarre 171 · U.S. census
- Delacour 128 · U.S. census
- Delacroix 193 · U.S. census
When the index is not enough
This page says where Dekoninck 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.