The Ronchi surname
In the 2000 U.S. Census, 185 people carried this name — #92,217 among all U.S. surnames, about 1 in every 1,428,600 people counted.
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In Switzerland’s population statistics
212 people named Ronchi live in Switzerland.
They live in 14 of Switzerland’s 26 cantons, most of all in Ticino.
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 France’s civil register
France’s register of deaths holds 127 people named Ronchi.
41 of them were born outside France. Those born in France came from 32 départements, most often Corsica.
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.
Nearby in the index
Surnames next to Ronchi.
- Rommel 1,655 · U.S. census
- Romney 1,422 · U.S. census
- Romo 20,066 · U.S. census
- Romon 107 · U.S. census
- Romulus 446 · U.S. census
- Ronchetti 318 · U.S. census
- Ronco 650 · U.S. census
- Rond 188 · U.S. census
- Ronda 572 · U.S. census
- Rondeau 3,787 · U.S. census
- Rondini 199 · U.S. census
- Rondon 2,136 · U.S. census
When the index is not enough
This page says where Ronchi 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.