San Martino Alfieri is a small municipality in the province of Asti, Piemonte region. With a population of 661 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 25.319 €.

Population Trend

Male/Female Ratio

661Totale
Men
Women

Demographic Statistics

Men339
Women322
Year2026

Demographic Indices

-2.65%
Annual change
change from the previous year
274
Ageing index
65+ / 0-14 × 100
70.4
Dependency ratio
(0-14 + 65+) / 15-64 × 100
214.3
Workforce replacement
60-64 / 15-19 × 100
189.6
Workforce structure
40-64 / 15-39 × 100
18.3
Child dependency
0-4 / women 15-49 × 100
49.61
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: 98

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
48
Foreign-resident share: 7.07%
Main citizenships
Romania18
Albania8
Cina4
Finlandia3
Bulgaria2
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025