The Longchamp surname
In the 2010 U.S. Census, 209 people carried this name — #88,685 among all U.S. surnames, about 1 in every 1,428,600 people counted. That is up 9% from 191 in 2000.
In Switzerland’s population statistics
455 people named Longchamp live in Switzerland.
They live in 11 of Switzerland’s 26 cantons, most of all in Vaud.
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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In France’s civil register
France’s register of deaths holds 154 people named Longchamp.
6 of them were born outside France. Those born in France came from 29 départements, most often Ain.
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 print
Longchamp in American newspapers,
1856–1909.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 5,787 pages in all carry the name.
Nearby in the index
Surnames next to Longchamp.
- Lombardi 14,227 · U.S. census
- Lombardini 139 · U.S. census
- Lombardo 15,598 · U.S. census
- Lombardy 262 · U.S. census
- Lomont 116 · U.S. census
- Long 229,374 · U.S. census
- Longchamps 186 · U.S. census
- Longe 789 · U.S. census
- Longer 249 · U.S. census
- Longhi 502 · U.S. census
- Longin 132 · U.S. census
- Longinotti 217 · U.S. census
When the index is not enough
This page says where Longchamp 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.