Saint-Denis is a small municipality in the province of Valle d'Aosta/Vallée d'Aoste, Valle d'Aosta/Vallée d'Aoste region. With a population of 372 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 23.932 €.

Population Trend

Male/Female Ratio

372Totale
Men
Women

Demographic Statistics

Men195
Women177
Year2026

Demographic Indices

+1.92%
Annual change
change from the previous year
188.6
Ageing index
65+ / 0-14 × 100
51.8
Dependency ratio
(0-14 + 65+) / 15-64 × 100
166.7
Workforce replacement
60-64 / 15-19 × 100
155.2
Workforce structure
40-64 / 15-39 × 100
19
Child dependency
0-4 / women 15-49 × 100
46.01
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: 59

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
11
Foreign-resident share: 3.01%
Main citizenships
Ucraina4
Marocco3
Francia2
Repubblica ceca1
Romania1
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025