What is the population of Châtillon in 2026?

Châtillon has 4299 inhabitants (2026 data), with a density of 110 inhabitants per km².

What is the average income in Châtillon?

The average declared income in Châtillon is 24.414 €, with 3867 taxpayers.

What is the air quality like in Châtillon?

The average annual PM2.5 concentration in Châtillon is 12.9 µg/m³. Soil consumption is 4.9%.

What is the ZIP code of Châtillon?

The ZIP code of Châtillon is 11024.

How many foreign residents live in Châtillon?

Châtillon is home to 336 foreign residents, equal to 7.8% of the population. The largest foreign community comes from Marocco.

What is the cost of living in Châtillon?

In Châtillon the average property sale price is around 1113 €/m². The composite cost-of-living index is 22 (base 100 = national average).

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

Châtillon: 4299 inhabitants (2026)

Q: Which province and region is Châtillon in?

Châtillon is in the province of Valle d'Aosta/Vallée d'Aoste, Valle d'Aosta/Vallée d'Aoste region. The ISTAT code is 007020.

ISTAT Code: 007020

45.7496°N, 7.6132°E

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4.3k

Inhabitants

110

Inhabitants/km²

24.414 €

Average Income

12.86 µg/m³

PM2.5

4,9%

Land Consumption

39.1 km²

Area

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Income overview

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Regional income ranking

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Provincial population ranking

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

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Population & demographics

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

Income & tax data

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

Environment & air quality

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

Châtillon 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 4299 inhabitants and a density of 110 per km², it covers an area of 39.1 km². The average declared income is 24.414 €.

Châtillon in numbers: the analysis

Few municipalities in Valle d'Aosta/Vallée d'Aoste are larger: it ranks no. 4 by population out of 74.

The average municipality in the province of Valle d'Aosta/Vallée d'Aoste has about 1,656 residents: Châtillon has 2.6 times as many.

Demographic projections to 2050 estimate about 3,439 inhabitants for Châtillon: an expected decline of 20% from today.

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

Châtillon has grown substantially since 1951: from 3,965 inhabitants then to 4,299 in 2026, an increase of 8.4%.

By population, Châtillon ranks no. 4 among the 74 municipalities of the province of Valle d'Aosta/Vallée d'Aoste.

Population Trend

Grafico a linee
Anno	Popolazione
2019	4588
2020	4524
2021	4450
2022	4402
2023	4370
2024	4346
2025	4303
2026	4299

Male/Female Ratio

Grafico a ciambella
	Valore	%
Men	2107	49.0%
Women	2192	51.0%

Demographic Statistics

Men2107

Women2192

Year2026

Demographic Indices

-0.09%

Annual change

change from the previous year

279.5

Ageing index

65+ / 0-14 × 100

57.8

Dependency ratio

(0-14 + 65+) / 15-64 × 100

191.5

Workforce replacement

60-64 / 15-19 × 100

155.3

Workforce structure

40-64 / 15-39 × 100

Child dependency

0-4 / women 15-49 × 100

48.66

Average age

weighted average age

Births (recent years)

Grafico a barre
	Valore
2021	23
2022	25
2023	26
2024	14
2025	28

Historical Population (1951-present)

Grafico a linee
Anno	Population
1951	3965
1961	3894
1971	4345
1981	4657
1991	4632
2001	4712
2011	4946
2019	4588
2020	4524
2021	4450
2022	4402
2023	4370
2024	4346
2025	4303
2026	4299

Marital Status (2025)

Grafico a ciambella
	Valore	%
Single	3822	44.4%
Married	3526	41.0%
Divorced	486	5.6%
Widowed	772	9.0%

School-Age Population (2026)

Total 0-18 years: 587

Grafico a barre
	Valore
Nido (0-2)	65
Infanzia (3-5)	73
Primaria (6-10)	144
Medie (11-13)	103
Superiori (14-18)	202

Foreign residents

Foreign presence and top citizenships

Main citizenships

Foreign residents

336

Foreign-resident share: 7.81%

Main citizenships

Marocco77

Romania73

Ucraina18

Bangladesh15

Brasile11

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

Population pyramid of Châtillon — DatiItalia

<a href="https://datitalia.eu/comune/chatillon-007020" title="Population pyramid of Châtillon — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/chatillon-007020" alt="Population pyramid of Châtillon — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>

Municipalities near Châtillon

Pontey

Valle d'Aosta/Vallée d'Aoste

2.1 km

Saint-Vincent

Valle d'Aosta/Vallée d'Aoste

2.7 km

Saint-Denis

Valle d'Aosta/Vallée d'Aoste

4.4 km

Chambave

Valle d'Aosta/Vallée d'Aoste

4.9 km

Antey-Saint-André

Valle d'Aosta/Vallée d'Aoste

6.4 km

Verrayes

Valle d'Aosta/Vallée d'Aoste

6.4 km

Torgnon

Valle d'Aosta/Vallée d'Aoste

6.6 km

La Magdeleine

Valle d'Aosta/Vallée d'Aoste

6.8 km