Italy
Marche
Macerata
Petriolo is a comune in the provincia of Macerata, Marche with a population of 1,815 as of 2025. Between 1830 and 1912, at least 7 passengers departing from Petriolo arrived in the United States.
Contact
To request vital records from the anagrafe (records office), write to the PEC address or email below. Include the full name, approximate date, and record type in Italian.
Website
www.comune.petriolo.mc.itAddress
Piazza San Martino, 1
62014 Petriolo
Map
Località
Each Italian comune is divided into località (localities), which include centri abitati (populated centers) and nuclei abitati (smaller settlements).
Centro abitato
AltitudePopulation- Petriolo271m1,248
Nucleo abitato
AltitudePopulation- Castelletta210m40
Population and Migration
This chart shows annual resident population, US arrivals (1830 to 1912), and international migration (2001 to present). Not all data is available for every period, so gaps are normal.
The population has declined 20% since 1951. US arrivals peaked in 1898 with 3 recorded passengers. Since 2001, net international immigration has added the equivalent of 9% of the current population.
Total US arrivals
7
1830–1912
Peak year
1898
3 arrivals
Top Emigrant Cognomi
Most common cognomi (family names) among emigrants from Petriolo recorded in US arrivals, 1830 to 1912.
Notable People
People born in Petriolo.