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Gerola Alta is a small municipality in the province of Sondrio, Lombardia region. With a population of 158 inhabitants and a density of 4 per km², it covers an area of 37.5 km². The average declared income is 22.211 €.

Gerola Alta in numbers: the analysis

Compared with the provincial average of Sondrio (about 2,328 residents per municipality), Gerola Alta is a markedly smaller centre.

Demographic projections to 2050 estimate about 118 inhabitants for Gerola Alta: an expected decline of 25.3% from today.

The ageing index is one of the starkest signals: in Gerola Alta there are 509 residents over 65 for every 100 under 14, well above the national average.

The census record tells a story of long decline: in 1951 Gerola Alta had 1,376 inhabitants; today (2026) it has 158 — 88.5% fewer.

Among the 77 municipalities of the province of Sondrio, Gerola Alta ranks 74 by population.

Population Trend

Grafico a linee
AnnoPopolazione
2019172
2020157
2021159
2022161
2023165
2024165
2025162
2026158

Male/Female Ratio

Grafico a ciambella
Valore%
Men9157.6%
Women6742.4%

Demographic Statistics

Men91
Women67
Year2026

Demographic Indices

-2.47%
Annual change
change from the previous year
509.1
Ageing index
65+ / 0-14 × 100
73.6
Dependency ratio
(0-14 + 65+) / 15-64 × 100
1800
Workforce replacement
60-64 / 15-19 × 100
167.6
Workforce structure
40-64 / 15-39 × 100
31.8
Child dependency
0-4 / women 15-49 × 100
53.94
Average age
weighted average age

Births (recent years)

Grafico a barre
Valore
20211
20223
20230
20242
20252

Historical Population (1951-present)

Grafico a linee
AnnoPopulation
19511376
19611203
1971431
1981364
1991267
2001249
2011189
2019172
2020157
2021159
2022161
2023165
2024165
2025162
2026158

Marital Status (2025)

Grafico a ciambella
Valore%
Single15046.3%
Married16049.4%
Divorced41.2%
Widowed103.1%

School-Age Population (2026)

Total 0-18 years: 11

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

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
2
Foreign-resident share: 1.23%
Main citizenships
Marocco1
Regno Unito1

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

Population pyramid of Gerola Alta — DatiItalia
<a href="https://datitalia.eu/comune/gerola-alta-014031" title="Population pyramid of Gerola Alta — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/gerola-alta-014031" alt="Population pyramid of Gerola Alta — 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 Gerola Alta