The Lacoste surname
In the 2000 U.S. Census, 2,130 people carried this name — #13,158 among all U.S. surnames, about 1 in every 126,600 people counted.
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In France’s civil register
France’s register of deaths holds 7,867 people named Lacoste.
105 of them were born outside France. Those born in France came from 99 départements, most often Gironde.
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
66 people named Lacoste live in Switzerland.
They live in 6 of Switzerland’s 26 cantons, most of all in Vaud.
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 24 people named Lacoste 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 Lacoste.
- Lack 2,739 · U.S. census
- Lacombe 4,253 · U.S. census
- Lacome 105 · U.S. census
- Lacore 186 · U.S. census
- Lacorte 1,025 · U.S. census
- Lacosse 563 · U.S. census
- Lacour 3,585 · U.S. census
- Lacourt 345 · U.S. census
- Lacouture 417 · U.S. census
- Lacquement 176 · U.S. census
- Lacroix 7,606 · U.S. census
- Lacrosse 1,043 · U.S. census
When the index is not enough
This page says where Lacoste 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.