Seregno: 45.240 inhabitants (2026)
ISTAT Code: 108039
45.6502°N, 9.2018°E
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Population & demographics
All demographic data for Seregno: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Seregno.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Seregno.
Seregno is a medium-sized municipality in the province of Monza e della Brianza, Lombardia region. With a population of 45.240 inhabitants and a density of 3425 per km², it covers an area of 13.2 km². The average declared income is 30.024 €.
Seregno in numbers: the analysis
For 2050 the projections point to an essentially unchanged population: about 45,831 inhabitants.
The average municipality in the province of Monza e della Brianza has about 16,062 residents: Seregno has 2.8 times as many.
Seregno is among Italy's major centres: the country's no. 172 municipality by population out of 7896.
Few municipalities in Lombardia are larger: it ranks no. 22 by population out of 1502.
By population, Seregno ranks no. 3 among the 55 municipalities of the province of Monza e della Brianza.
Seregno has grown substantially since 1951: from 24,371 inhabitants then to 45,240 in 2026, an increase of 85.6%.
The generational balance is in line with the norm: the ageing index of Seregno is 206 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 45.069 |
| 2020 | 45.130 |
| 2021 | 44.843 |
| 2022 | 44.825 |
| 2023 | 45.014 |
| 2024 | 45.010 |
| 2025 | 44.982 |
| 2026 | 45.240 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 21.824 | 48.2% |
| Women | 23.416 | 51.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 319 |
| 2022 | 361 |
| 2023 | 275 |
| 2024 | 307 |
| 2025 | 286 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 24.371 |
| 1961 | 27.824 |
| 1971 | 35.239 |
| 1981 | 37.891 |
| 1991 | 38.588 |
| 2001 | 39.206 |
| 2011 | 43.001 |
| 2019 | 45.069 |
| 2020 | 45.130 |
| 2021 | 44.843 |
| 2022 | 44.825 |
| 2023 | 45.014 |
| 2024 | 45.010 |
| 2025 | 44.982 |
| 2026 | 45.240 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 39.828 | 44.3% |
| Married | 39.824 | 44.3% |
| Divorced | 3878 | 4.3% |
| Widowed | 6352 | 7.1% |
School-Age Population (2026)
Total 0-18 years: 7222
| Valore | |
|---|---|
| Nido (0-2) | 902 |
| Infanzia (3-5) | 998 |
| Primaria (6-10) | 1927 |
| Medie (11-13) | 1230 |
| Superiori (14-18) | 2165 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Seregno population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/seregno-108039" title="Population pyramid of Seregno — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/seregno-108039" alt="Population pyramid of Seregno — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>