What is the population of Saint-Denis in 2026?

Saint-Denis has 372 inhabitants (2026 data), with a density of 33 inhabitants per km².

What is the average income in Saint-Denis?

The average declared income in Saint-Denis is 23.932 €, with 300 taxpayers.

What is the air quality like in Saint-Denis?

The average annual PM2.5 concentration in Saint-Denis is 12.9 µg/m³. Soil consumption is 3.9%.

What is the ZIP code of Saint-Denis?

The ZIP code of Saint-Denis is 11023.

How many foreign residents live in Saint-Denis?

Saint-Denis is home to 11 foreign residents, equal to 3.0% of the population. The largest foreign community comes from Ucraina.

What is the cost of living in Saint-Denis?

In Saint-Denis the average property sale price is around 1275 €/m². The composite cost-of-living index is 27 (base 100 = national average).

Valle d'Aosta/Vallée d'Aoste Valle d'Aosta/Vallée d'Aoste

Saint-Denis: 372 inhabitants (2026)

Q: Which province and region is Saint-Denis in?

Saint-Denis is in the province of Valle d'Aosta/Vallée d'Aoste, Valle d'Aosta/Vallée d'Aoste region. The ISTAT code is 007059.

ISTAT Code: 007059

45.7522°N, 7.5572°E

Share the data for Saint-Denis:

X Facebook WhatsApp

372

Inhabitants

Inhabitants/km²

23.932 €

Average Income

12.86 µg/m³

PM2.5

3,9%

Land Consumption

11.1 km²

Area

Explore related data

Jump from local statistics to linked rankings and territorial pages.

Region page

Open the full profile page for Valle d'Aosta/Vallée d'Aoste.

Province page

Open the full profile page for the province of Valle d'Aosta/Vallée d'Aoste.

Income overview

Explore the income map and the municipalities with the highest and lowest values.

Regional income ranking

View the municipalities in Valle d'Aosta/Vallée d'Aoste ranked by average income.

Provincial population ranking

View the municipalities in the province of Valle d'Aosta/Vallée d'Aoste ranked by population.

Compare this municipality

Open the comparison page with this municipality preselected.

Population & demographics

All demographic data for Saint-Denis: population, births, deaths, balances and historical trends.

Income & tax data

Average income, median income, income brackets and historical trends for Saint-Denis.

Environment & air quality

Air quality (PM2.5, PM10, NO2) and land consumption data for Saint-Denis.

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 33 per km², it covers an area of 11.1 km². The average declared income is 23.932 €.

Saint-Denis in numbers: the analysis

The census record tells a story of long decline: in 1951 Saint-Denis had 455 inhabitants; today (2026) it has 372 — 18.2% fewer.

The generational balance is in line with the norm: the ageing index of Saint-Denis is 189 (over-65s per 100 under-14s).

Demographic projections to 2050 estimate about 340 inhabitants for Saint-Denis: an expected decline of 8.6% from today.

Compared with the provincial average of Valle d'Aosta/Vallée d'Aoste (about 1,656 residents per municipality), Saint-Denis is a markedly smaller centre.

Among the 74 municipalities of the province of Valle d'Aosta/Vallée d'Aoste, Saint-Denis ranks 54 by population.

Population Trend

Grafico a linee
Anno	Popolazione
2019	382
2020	382
2021	366
2022	371
2023	362
2024	368
2025	365
2026	372

Male/Female Ratio

Grafico a ciambella
	Valore	%
Men	195	52.4%
Women	177	47.6%

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

Child dependency

0-4 / women 15-49 × 100

46.01

Average age

weighted average age

Births (recent years)

Grafico a barre
	Valore
2021	6
2022	2
2023	1
2024	3
2025	3

Historical Population (1951-present)

Grafico a linee
Anno	Population
1951	455
1961	445
1971	408
1981	376
1991	356
2001	342
2011	382
2019	382
2020	382
2021	366
2022	371
2023	362
2024	368
2025	365
2026	372

Marital Status (2025)

Grafico a ciambella
	Valore	%
Single	368	50.4%
Married	280	38.4%
Divorced	26	3.6%
Widowed	56	7.7%

School-Age Population (2026)

Total 0-18 years: 59

Grafico a barre
	Valore
Nido (0-2)	6
Infanzia (3-5)	8
Primaria (6-10)	12
Medie (11-13)	11
Superiori (14-18)	22

Foreign residents

Foreign presence and top citizenships

Main citizenships

Foreign residents

Foreign-resident share: 3.01%

Main citizenships

Ucraina4

Marocco3

Francia2

Repubblica Ceca1

Romania1

Embed this chart

Use the Saint-Denis population pyramid on your site or article — the DatiItalia source link is already included.

Population pyramid of Saint-Denis — DatiItalia

<a href="https://datitalia.eu/comune/saint-denis-007059" title="Population pyramid of Saint-Denis — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/saint-denis-007059" alt="Population pyramid of Saint-Denis — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>

Municipalities near Saint-Denis

Chambave

Valle d'Aosta/Vallée d'Aoste

1.0 km

Verrayes

Valle d'Aosta/Vallée d'Aoste

2.2 km

Pontey

Valle d'Aosta/Vallée d'Aoste

3.1 km

Châtillon

Valle d'Aosta/Vallée d'Aoste

4.4 km

Fénis

Valle d'Aosta/Vallée d'Aoste

5.2 km

Torgnon

Valle d'Aosta/Vallée d'Aoste

5.6 km

Antey-Saint-André

Valle d'Aosta/Vallée d'Aoste

6.5 km

Saint-Vincent

Valle d'Aosta/Vallée d'Aoste

7.0 km