What is the population of Oyace in 2026?

Oyace has 207 inhabitants (2026 data), with a density of 7 inhabitants per km².

What is the average income in Oyace?

The average declared income in Oyace is 21.273 €, with 183 taxpayers.

What is the air quality like in Oyace?

The average annual PM2.5 concentration in Oyace is 12.9 µg/m³. Soil consumption is 0.7%.

What is the ZIP code of Oyace?

The ZIP code of Oyace is 11010.

How many foreign residents live in Oyace?

Oyace is home to 7 foreign residents, equal to 3.5% of the population. The largest foreign community comes from Marocco.

What is the cost of living in Oyace?

In Oyace the average property sale price is around 1150 €/m². The composite cost-of-living index is 25 (base 100 = national average).

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

Oyace: 207 inhabitants (2026)

Q: Which province and region is Oyace in?

Oyace is in the province of Valle d'Aosta/Vallée d'Aoste, Valle d'Aosta/Vallée d'Aoste region. The ISTAT code is 007047.

ISTAT Code: 007047

45.8507°N, 7.3825°E

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207

Inhabitants

Inhabitants/km²

21.273 €

Average Income

12.86 µg/m³

PM2.5

0,7%

Land Consumption

30.9 km²

Area

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Regional income ranking

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Provincial population ranking

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Population & demographics

All demographic data for Oyace: population, births, deaths, balances and historical trends.

Income & tax data

Average income, median income, income brackets and historical trends for Oyace.

Environment & air quality

Air quality (PM2.5, PM10, NO2) and land consumption data for Oyace.

Oyace 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 207 inhabitants and a density of 7 per km², it covers an area of 30.9 km². The average declared income is 21.273 €.

Oyace in numbers: the analysis

The census record tells a story of long decline: in 1951 Oyace had 242 inhabitants; today (2026) it has 207 — 14.5% fewer.

The ageing index is one of the starkest signals: in Oyace there are 280 residents over 65 for every 100 under 14, well above the national average.

Demographic projections to 2050 estimate about 191 inhabitants for Oyace: an expected decline of 7.7% from today.

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

Among the 74 municipalities of the province of Valle d'Aosta/Vallée d'Aoste, Oyace ranks 63 by population.

Population Trend

Grafico a linee
Anno	Popolazione
2019	212
2020	217
2021	209
2022	209
2023	209
2024	202
2025	201
2026	207

Male/Female Ratio

Grafico a ciambella
	Valore	%
Men	105	50.7%
Women	102	49.3%

Demographic Statistics

Men105

Women102

Year2026

Demographic Indices

+2.99%

Annual change

change from the previous year

280

Ageing index

65+ / 0-14 × 100

Dependency ratio

(0-14 + 65+) / 15-64 × 100

142.9

Workforce replacement

60-64 / 15-19 × 100

197.7

Workforce structure

40-64 / 15-39 × 100

12.9

Child dependency

0-4 / women 15-49 × 100

48.23

Average age

weighted average age

Births (recent years)

Grafico a barre
	Valore
2021	0
2022	0
2023	2
2024	0
2025	2

Historical Population (1951-present)

Grafico a linee
Anno	Population
1951	242
1961	277
1971	203
1981	199
1991	229
2001	220
2011	225
2019	212
2020	217
2021	209
2022	209
2023	209
2024	202
2025	201
2026	207

Marital Status (2025)

Grafico a ciambella
	Valore	%
Single	180	44.8%
Married	162	40.3%
Divorced	32	8.0%
Widowed	28	7.0%

School-Age Population (2026)

Total 0-18 years: 32

Grafico a barre
	Valore
Nido (0-2)	4
Infanzia (3-5)	1
Primaria (6-10)	8
Medie (11-13)	6
Superiori (14-18)	13

Foreign residents

Foreign presence and top citizenships

Main citizenships

Foreign residents

Foreign-resident share: 3.48%

Main citizenships

Marocco3

Romania3

Francia1

Embed this chart

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

Population pyramid of Oyace — DatiItalia

<a href="https://datitalia.eu/comune/oyace-007047" title="Population pyramid of Oyace — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/oyace-007047" alt="Population pyramid of Oyace — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>

Municipalities near Oyace

Bionaz

Valle d'Aosta/Vallée d'Aoste

4.1 km

Valpelline

Valle d'Aosta/Vallée d'Aoste

5.0 km

Ollomont

Valle d'Aosta/Vallée d'Aoste

5.5 km

Doues

Valle d'Aosta/Vallée d'Aoste

6.8 km

Roisan

Valle d'Aosta/Vallée d'Aoste

9.2 km

Allein

Valle d'Aosta/Vallée d'Aoste

9.5 km

Gignod

Valle d'Aosta/Vallée d'Aoste

10.5 km

Saint-Christophe

Valle d'Aosta/Vallée d'Aoste

11.5 km