What is the population of Bionaz in 2026?

Bionaz has 212 inhabitants (2026 data), with a density of 1 inhabitants per km².

What is the average income in Bionaz?

The average declared income in Bionaz is 22.298 €, with 190 taxpayers.

What is the air quality like in Bionaz?

The average annual PM2.5 concentration in Bionaz is 12.9 µg/m³. Soil consumption is 0.3%.

What is the ZIP code of Bionaz?

The ZIP code of Bionaz is 11010.

How many foreign residents live in Bionaz?

Bionaz is home to 7 foreign residents, equal to 3.2% of the population. The largest foreign community comes from Belgio.

What is the cost of living in Bionaz?

In Bionaz the average property sale price is around 1475 €/m². The composite cost-of-living index is 34 (base 100 = national average).

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

Bionaz: 212 inhabitants (2026)

Q: Which province and region is Bionaz in?

Bionaz is in the province of Valle d'Aosta/Vallée d'Aoste, Valle d'Aosta/Vallée d'Aoste region. The ISTAT code is 007010.

ISTAT Code: 007010

45.8741°N, 7.4231°E

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212

Inhabitants

Inhabitants/km²

22.298 €

Average Income

12.86 µg/m³

PM2.5

0,3%

Land Consumption

141.6 km²

Area

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Income overview

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Regional income ranking

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Provincial population ranking

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Population & demographics

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

Income & tax data

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

Environment & air quality

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

Bionaz 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 212 inhabitants and a density of 1 per km², it covers an area of 141.6 km². The average declared income is 22.298 €.

Bionaz in numbers: the analysis

The census record tells a story of long decline: in 1951 Bionaz had 245 inhabitants; today (2026) it has 212 — 13.5% fewer.

Among the 74 municipalities of the province of Valle d'Aosta/Vallée d'Aoste, Bionaz ranks 62 by population.

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

Demographic projections to 2050 estimate about 163 inhabitants for Bionaz: an expected decline of 23.1% from today.

The ageing index is one of the starkest signals: in Bionaz there are 318 residents over 65 for every 100 under 14, well above the national average.

Population Trend

Grafico a linee
Anno	Popolazione
2019	229
2020	225
2021	218
2022	218
2023	221
2024	222
2025	217
2026	212

Male/Female Ratio

Grafico a ciambella
	Valore	%
Men	113	53.3%
Women	99	46.7%

Demographic Statistics

Men113

Women99

Year2026

Demographic Indices

-2.3%

Annual change

change from the previous year

317.6

Ageing index

65+ / 0-14 × 100

50.4

Dependency ratio

(0-14 + 65+) / 15-64 × 100

175

Workforce replacement

60-64 / 15-19 × 100

156.4

Workforce structure

40-64 / 15-39 × 100

Child dependency

0-4 / women 15-49 × 100

47.83

Average age

weighted average age

Births (recent years)

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

Historical Population (1951-present)

Grafico a linee
Anno	Population
1951	245
1961	282
1971	295
1981	277
1991	260
2001	239
2011	234
2019	229
2020	225
2021	218
2022	218
2023	221
2024	222
2025	217
2026	212

Marital Status (2025)

Grafico a ciambella
	Valore	%
Single	222	51.2%
Married	160	36.9%
Divorced	26	6.0%
Widowed	26	6.0%

School-Age Population (2026)

Total 0-18 years: 28

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

Foreign residents

Foreign presence and top citizenships

Main citizenships

Foreign residents

Foreign-resident share: 3.23%

Main citizenships

Belgio3

Marocco2

Costa d'Avorio1

Francia1

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

Population pyramid of Bionaz — DatiItalia

<a href="https://datitalia.eu/comune/bionaz-007010" title="Population pyramid of Bionaz — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/bionaz-007010" alt="Population pyramid of Bionaz — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>

Municipalities near Bionaz

Oyace

Valle d'Aosta/Vallée d'Aoste

4.1 km

Valpelline

Valle d'Aosta/Vallée d'Aoste

9.0 km

Ollomont

Valle d'Aosta/Vallée d'Aoste

9.1 km

Doues

Valle d'Aosta/Vallée d'Aoste

10.9 km

Roisan

Valle d'Aosta/Vallée d'Aoste

13.2 km

Allein

Valle d'Aosta/Vallée d'Aoste

13.5 km

Torgnon

Valle d'Aosta/Vallée d'Aoste

14.0 km

Gignod

Valle d'Aosta/Vallée d'Aoste

14.5 km