














Seveso: 23.982 inhabitants (2026)
ISTAT Code: 108040
45.6474°N, 9.1385°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 Seveso: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Seveso.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Seveso.
Seveso is a medium-sized municipality in the province of Monza e della Brianza, Lombardia region. With a population of 23.982 inhabitants and a density of 3250 per km², it covers an area of 7.4 km². The average declared income is 27.040 €.
Seveso in numbers: the analysis
Looking ahead to 2050, projections give Seveso about 27,233 inhabitants, up 13.6% from today.
Few municipalities in Lombardia are larger: it ranks no. 54 by population out of 1502.
Among the 55 municipalities of the province of Monza e della Brianza, Seveso ranks 10 by population.
Seveso has grown substantially since 1951: from 9,694 inhabitants then to 23,982 in 2026, an increase of 147.4%.
The generational balance is in line with the norm: the ageing index of Seveso is 172 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 23.109 |
| 2020 | 23.274 |
| 2021 | 23.728 |
| 2022 | 23.804 |
| 2023 | 23.943 |
| 2024 | 24.023 |
| 2025 | 23.902 |
| 2026 | 23.982 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 11.802 | 49.2% |
| Women | 12.180 | 50.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 186 |
| 2022 | 172 |
| 2023 | 172 |
| 2024 | 143 |
| 2025 | 176 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 9694 |
| 1961 | 13.057 |
| 1971 | 15.801 |
| 1981 | 17.605 |
| 1991 | 17.672 |
| 2001 | 18.728 |
| 2011 | 22.733 |
| 2019 | 23.109 |
| 2020 | 23.274 |
| 2021 | 23.728 |
| 2022 | 23.804 |
| 2023 | 23.943 |
| 2024 | 24.023 |
| 2025 | 23.902 |
| 2026 | 23.982 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 21.442 | 44.9% |
| Married | 21.474 | 44.9% |
| Divorced | 1836 | 3.8% |
| Widowed | 3022 | 6.3% |
School-Age Population (2026)
Total 0-18 years: 4144
| Valore | |
|---|---|
| Nido (0-2) | 508 |
| Infanzia (3-5) | 519 |
| Primaria (6-10) | 1095 |
| Medie (11-13) | 759 |
| Superiori (14-18) | 1263 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Seveso population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/seveso-108040" title="Population pyramid of Seveso — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/seveso-108040" alt="Population pyramid of Seveso — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>