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Population & demographics
All demographic data for Alserio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Alserio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Alserio.
Alserio is a small municipality in the province of Como, Lombardia region. With a population of 1417 inhabitants and a density of 779 per km², it covers an area of 1.8 km². The average declared income is 28.052 €.
Alserio in numbers: the analysis
Among the 147 municipalities of the province of Como, Alserio ranks 91 by population.
Compared with the provincial average of Como (about 4,072 residents per municipality), Alserio is a markedly smaller centre.
Looking ahead to 2050, projections give Alserio about 2,102 inhabitants, up 48.3% from today.
The generational balance is in line with the norm: the ageing index of Alserio is 145 (over-65s per 100 under-14s).
Alserio has grown substantially since 1951: from 638 inhabitants then to 1,417 in 2026, an increase of 122.1%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1263 |
| 2020 | 1286 |
| 2021 | 1263 |
| 2022 | 1303 |
| 2023 | 1372 |
| 2024 | 1369 |
| 2025 | 1407 |
| 2026 | 1417 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 714 | 50.4% |
| Women | 703 | 49.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 8 |
| 2022 | 12 |
| 2023 | 12 |
| 2024 | 12 |
| 2025 | 10 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 638 |
| 1961 | 677 |
| 1971 | 735 |
| 1981 | 785 |
| 1991 | 876 |
| 2001 | 1110 |
| 2011 | 1176 |
| 2019 | 1263 |
| 2020 | 1286 |
| 2021 | 1263 |
| 2022 | 1303 |
| 2023 | 1372 |
| 2024 | 1369 |
| 2025 | 1407 |
| 2026 | 1417 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1258 | 44.7% |
| Married | 1336 | 47.5% |
| Divorced | 94 | 3.3% |
| Widowed | 126 | 4.5% |
School-Age Population (2026)
Total 0-18 years: 244
| Valore | |
|---|---|
| Nido (0-2) | 34 |
| Infanzia (3-5) | 34 |
| Primaria (6-10) | 71 |
| Medie (11-13) | 41 |
| Superiori (14-18) | 64 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Alserio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/alserio-013006" title="Population pyramid of Alserio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/alserio-013006" alt="Population pyramid of Alserio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>