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Calasca-Castiglione is a small municipality in the province of Verbano-Cusio-Ossola, Piemonte region. With a population of 581 inhabitants and a density of 10 per km², it covers an area of 57.1 km². The average declared income is 17.722 €.

Calasca-Castiglione in numbers: the analysis

The ageing index is one of the starkest signals: in Calasca-Castiglione there are 353 residents over 65 for every 100 under 14, well above the national average.

The census record tells a story of long decline: in 1951 Calasca-Castiglione had 1,468 inhabitants; today (2026) it has 581 — 60.4% fewer.

Among the 74 municipalities of the province of Verbano-Cusio-Ossola, Calasca-Castiglione ranks 46 by population.

Compared with the provincial average of Verbano-Cusio-Ossola (about 2,063 residents per municipality), Calasca-Castiglione is a markedly smaller centre.

Demographic projections to 2050 estimate about 489 inhabitants for Calasca-Castiglione: an expected decline of 15.8% from today.

Population Trend

Grafico a linee
AnnoPopolazione
2019611
2020594
2021567
2022567
2023604
2024600
2025581
2026581

Male/Female Ratio

Grafico a ciambella
Valore%
Men28749.4%
Women29450.6%

Demographic Statistics

Men287
Women294
Year2026

Demographic Indices

0%
Annual change
change from the previous year
352.7
Ageing index
65+ / 0-14 × 100
75
Dependency ratio
(0-14 + 65+) / 15-64 × 100
500
Workforce replacement
60-64 / 15-19 × 100
196.4
Workforce structure
40-64 / 15-39 × 100
23.5
Child dependency
0-4 / women 15-49 × 100
51.87
Average age
weighted average age

Births (recent years)

Grafico a barre
Valore
20213
20223
20238
20245
20253

Historical Population (1951-present)

Grafico a linee
AnnoPopulation
19511468
19611268
19711066
1981975
1991885
2001765
2011681
2019611
2020594
2021567
2022567
2023604
2024600
2025581
2026581

Marital Status (2025)

Grafico a ciambella
Valore%
Single45439.1%
Married50843.7%
Divorced726.2%
Widowed12811.0%

School-Age Population (2026)

Total 0-18 years: 64

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

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
15
Foreign-resident share: 2.58%
Main citizenships
Ucraina6
Romania2
Bielorussia1
Burkina Faso1
Federazione Russa1

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

Population pyramid of Calasca-Castiglione — DatiItalia
<a href="https://datitalia.eu/comune/calasca-castiglione-103014" title="Population pyramid of Calasca-Castiglione — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/calasca-castiglione-103014" alt="Population pyramid of Calasca-Castiglione — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>
Source: ISTAT, MEF, ISPRA, EEA · Year: 2025 · updated Jun 28, 2026

Altri dati e servizi a Calasca-Castiglione