Mazzo di Valtellina is a small municipality in the province of Sondrio, Lombardia region. With a population of 1009 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 22.991 €.

Population Trend

Male/Female Ratio

1009Totale
Men
Women

Demographic Statistics

Men496
Women513
Year2026

Demographic Indices

-0.79%
Annual change
change from the previous year
178.5
Ageing index
65+ / 0-14 × 100
59.4
Dependency ratio
(0-14 + 65+) / 15-64 × 100
215.6
Workforce replacement
60-64 / 15-19 × 100
126.1
Workforce structure
40-64 / 15-39 × 100
23.5
Child dependency
0-4 / women 15-49 × 100
45.38
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2026)

0Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 171

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
37
Foreign-resident share: 3.64%
Main citizenships
Pakistan6
Marocco5
Nigeria4
India3
Moldova3
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025