Desio: 41.872 inhabitants (2026)
ISTAT Code: 108023
45.6201°N, 9.2088°E
Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Lombardia.
Province page
Open the full profile page for the province of Monza e della Brianza.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Lombardia ranked by average income.
Provincial population ranking
View the municipalities in the province of Monza e della Brianza ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Desio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Desio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Desio.
Desio is a medium-sized municipality in the province of Monza e della Brianza, Lombardia region. With a population of 41.872 inhabitants and a density of 2845 per km², it covers an area of 14.7 km². The average declared income is 27.206 €.
Desio in numbers: the analysis
By population, Desio ranks no. 4 among the 55 municipalities of the province of Monza e della Brianza.
Desio has grown substantially since 1951: from 16,824 inhabitants then to 41,872 in 2026, an increase of 148.9%.
The generational balance is in line with the norm: the ageing index of Desio is 189 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 42,485 inhabitants.
The average municipality in the province of Monza e della Brianza has about 16,062 residents: Desio has 2.6 times as many.
Desio is among Italy's major centres: the country's no. 188 municipality by population out of 7896.
Few municipalities in Lombardia are larger: it ranks no. 23 by population out of 1502.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 41.695 |
| 2020 | 41.748 |
| 2021 | 41.646 |
| 2022 | 41.668 |
| 2023 | 41.555 |
| 2024 | 41.570 |
| 2025 | 41.662 |
| 2026 | 41.872 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 20.683 | 49.4% |
| Women | 21.189 | 50.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 324 |
| 2022 | 284 |
| 2023 | 263 |
| 2024 | 288 |
| 2025 | 283 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 16.824 |
| 1961 | 23.750 |
| 1971 | 30.499 |
| 1981 | 33.282 |
| 1991 | 34.085 |
| 2001 | 35.069 |
| 2011 | 40.397 |
| 2019 | 41.695 |
| 2020 | 41.748 |
| 2021 | 41.646 |
| 2022 | 41.668 |
| 2023 | 41.555 |
| 2024 | 41.570 |
| 2025 | 41.662 |
| 2026 | 41.872 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 36.616 | 44.0% |
| Married | 37.784 | 45.4% |
| Divorced | 3338 | 4.0% |
| Widowed | 5496 | 6.6% |
School-Age Population (2026)
Total 0-18 years: 6901
| Valore | |
|---|---|
| Nido (0-2) | 839 |
| Infanzia (3-5) | 950 |
| Primaria (6-10) | 1820 |
| Medie (11-13) | 1219 |
| Superiori (14-18) | 2073 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Desio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/desio-108023" title="Population pyramid of Desio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/desio-108023" alt="Population pyramid of Desio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>Municipalities near Desio
Lissone
Monza e della Brianza
Muggiò
Monza e della Brianza
Seregno
Monza e della Brianza
Nova Milanese
Monza e della Brianza
Varedo
Monza e della Brianza
Cesano Maderno
Monza e della Brianza
Bovisio-Masciago
Monza e della Brianza
Vedano al Lambro
Monza e della Brianza