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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 47 per km², it covers an area of 17.1 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
| Anno | Popolazione |
|---|---|
| 2019 | 829 |
| 2020 | 826 |
| 2021 | 832 |
| 2022 | 817 |
| 2023 | 818 |
| 2024 | 822 |
| 2025 | 807 |
| 2026 | 807 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 418 | 51.8% |
| Women | 389 | 48.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 809 |
| 1961 | 786 |
| 1971 | 792 |
| 1981 | 825 |
| 1991 | 799 |
| 2001 | 805 |
| 2011 | 842 |
| 2019 | 829 |
| 2020 | 826 |
| 2021 | 832 |
| 2022 | 817 |
| 2023 | 818 |
| 2024 | 822 |
| 2025 | 807 |
| 2026 | 807 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 714 | 44.2% |
| Married | 688 | 42.6% |
| Divorced | 68 | 4.2% |
| Widowed | 144 | 8.9% |
School-Age Population (2026)
Total 0-18 years: 102
| Valore | |
|---|---|
| Nido (0-2) | 10 |
| Infanzia (3-5) | 15 |
| Primaria (6-10) | 29 |
| Medie (11-13) | 22 |
| Superiori (14-18) | 26 |
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>