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Population & demographics
All demographic data for Casorezzo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Casorezzo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Casorezzo.
Casorezzo is a medium-sized municipality in the province of Milano, Lombardia region. With a population of 5721 inhabitants and a density of 856 per km², it covers an area of 6.7 km². The average declared income is 28.018 €.
Casorezzo in numbers: the analysis
Among the 133 municipalities of the province of Milano, Casorezzo ranks 96 by population.
Casorezzo has grown substantially since 1951: from 2,401 inhabitants then to 5,721 in 2026, an increase of 138.3%.
The generational balance is in line with the norm: the ageing index of Casorezzo is 202 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Casorezzo about 6,890 inhabitants, up 20.4% from today.
Compared with the provincial average of Milano (about 24,459 residents per municipality), Casorezzo is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 5419 |
| 2020 | 5426 |
| 2021 | 5513 |
| 2022 | 5535 |
| 2023 | 5560 |
| 2024 | 5642 |
| 2025 | 5648 |
| 2026 | 5721 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2805 | 49.0% |
| Women | 2916 | 51.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 41 |
| 2022 | 34 |
| 2023 | 20 |
| 2024 | 35 |
| 2025 | 37 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2401 |
| 1961 | 2641 |
| 1971 | 3099 |
| 1981 | 3906 |
| 1991 | 4307 |
| 2001 | 4633 |
| 2011 | 5355 |
| 2019 | 5419 |
| 2020 | 5426 |
| 2021 | 5513 |
| 2022 | 5535 |
| 2023 | 5560 |
| 2024 | 5642 |
| 2025 | 5648 |
| 2026 | 5721 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4882 | 43.2% |
| Married | 5194 | 46.0% |
| Divorced | 438 | 3.9% |
| Widowed | 782 | 6.9% |
School-Age Population (2026)
Total 0-18 years: 915
| Valore | |
|---|---|
| Nido (0-2) | 94 |
| Infanzia (3-5) | 118 |
| Primaria (6-10) | 234 |
| Medie (11-13) | 149 |
| Superiori (14-18) | 320 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Casorezzo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/casorezzo-015058" title="Population pyramid of Casorezzo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/casorezzo-015058" alt="Population pyramid of Casorezzo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>