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Population & demographics
All demographic data for Gerola Alta: population, births, deaths, balances and historical trends.
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Average income, median income, income brackets and historical trends for Gerola Alta.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Gerola Alta.
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 37,4 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
Male/Female Ratio
Demographic Statistics
Demographic Indices
Births (recent years)
Historical Population (1951-present)
Marital Status (2025)
School-Age Population (2026)
Total 0-18 years: 11
Foreign residents
Foreign presence and top citizenships
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Use the Gerola Alta population pyramid on your site or article — the DatiItalia source link is already included.
<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>