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Population & demographics
All demographic data for Plesio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Plesio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Plesio.
Plesio is a small municipality in the province of Como, Lombardia region. With a population of 807 inhabitants and a density of 48 per km², it covers an area of 16,9 km². The average declared income is 21.288 €.
Plesio in numbers: the analysis
Compared with the provincial average of Como (about 4,072 residents per municipality), Plesio is a markedly smaller centre.
Among the 147 municipalities of the province of Como, Plesio ranks 112 by population.
Over the long run the population of Plesio has stayed essentially stable: 809 inhabitants in 1951, 807 in 2026 (less than 5% change).
The ageing index is one of the starkest signals: in Plesio there are 265 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 736 inhabitants for Plesio: an expected decline of 8.8% from today.
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: 102
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Plesio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/plesio-013185" title="Population pyramid of Plesio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/plesio-013185" alt="Population pyramid of Plesio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>