Italy
Lombardia
Sondrio
Cosio Valtellino is a comune in the provincia of Sondrio, Lombardia with a population of 5,559 as of 2025. Between 1830 and 1912, at least 2 passengers departing from Cosio Valtellino arrived in the United States. The comune was previously known as Cosio.
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.
Address
Piazza S. Ambrogio 21
23013 Cosio Valtellino
Map
Historical Names
Cosio→Cosio Valtellino
Changed on September 27, 1863
Località
Each Italian comune is divided into località (localities), which include centri abitati (populated centers) and nuclei abitati (smaller settlements).
Centri abitati
AltitudePopulation- Regoledo231m4,585
- Sacco700m273
- Piagno220m258
- Mellarolo815m75
Nuclei abitati
AltitudePopulation- Bolgia209m59
- Vallate210m32
- Piantina770m3
- Tagliate I1,363m2
- Ronchi1,025m0
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 grown 229% since 1861. US arrivals peaked in 1912 with 2 recorded passengers. Since 2001, net international immigration has added the equivalent of 8% of the current population.
Total US arrivals
2
1830–1912
Peak year
1912
2 arrivals
Top Emigrant Cognomi
Most common cognomi (family names) among emigrants from Cosio Valtellino recorded in US arrivals, 1830 to 1912.
- 1.Ruffoni2
Notable People
People born in Cosio Valtellino.
- Alessandro TarabiniITb. 1894