Biassono: 12.430 inhabitants (2026)
ISTAT Code: 108009
45.6286°N, 9.2762°E
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Population & demographics
All demographic data for Biassono: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Biassono.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Biassono.
Biassono is a medium-sized municipality in the province of Monza e della Brianza, Lombardia region. With a population of 12.430 inhabitants and a density of 2409 per km², it covers an area of 5.2 km². The average declared income is 31.995 €.
Biassono in numbers: the analysis
Looking ahead to 2050, projections give Biassono about 13,604 inhabitants, up 9.4% from today.
Among the 55 municipalities of the province of Monza e della Brianza, Biassono ranks 23 by population.
Biassono has grown substantially since 1951: from 5,296 inhabitants then to 12,430 in 2026, an increase of 134.7%.
The generational balance is in line with the norm: the ageing index of Biassono is 227 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 12.107 |
| 2020 | 12.089 |
| 2021 | 12.188 |
| 2022 | 12.217 |
| 2023 | 12.332 |
| 2024 | 12.336 |
| 2025 | 12.389 |
| 2026 | 12.430 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 6026 | 48.5% |
| Women | 6404 | 51.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 98 |
| 2022 | 78 |
| 2023 | 63 |
| 2024 | 77 |
| 2025 | 73 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5296 |
| 1961 | 6070 |
| 1971 | 7629 |
| 1981 | 8621 |
| 1991 | 10.017 |
| 2001 | 11.088 |
| 2011 | 11.697 |
| 2019 | 12.107 |
| 2020 | 12.089 |
| 2021 | 12.188 |
| 2022 | 12.217 |
| 2023 | 12.332 |
| 2024 | 12.336 |
| 2025 | 12.389 |
| 2026 | 12.430 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 10.524 | 42.5% |
| Married | 11.522 | 46.5% |
| Divorced | 1022 | 4.1% |
| Widowed | 1710 | 6.9% |
School-Age Population (2026)
Total 0-18 years: 1911
| Valore | |
|---|---|
| Nido (0-2) | 226 |
| Infanzia (3-5) | 271 |
| Primaria (6-10) | 493 |
| Medie (11-13) | 333 |
| Superiori (14-18) | 588 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Biassono population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/biassono-108009" title="Population pyramid of Biassono — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/biassono-108009" alt="Population pyramid of Biassono — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>