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Population & demographics
All demographic data for San Zenone al Lambro: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Zenone al Lambro.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Zenone al Lambro.
San Zenone al Lambro is a small municipality in the province of Milano, Lombardia region. With a population of 4508 inhabitants and a density of 585 per km², it covers an area of 7.7 km². The average declared income is 26.742 €.
San Zenone al Lambro in numbers: the analysis
The generational balance is in line with the norm: the ageing index of San Zenone al Lambro is 168 (over-65s per 100 under-14s).
San Zenone al Lambro has grown substantially since 1951: from 1,455 inhabitants then to 4,508 in 2026, an increase of 209.8%.
Among the 133 municipalities of the province of Milano, San Zenone al Lambro ranks 109 by population.
Compared with the provincial average of Milano (about 24,459 residents per municipality), San Zenone al Lambro is a markedly smaller centre.
Looking ahead to 2050, projections give San Zenone al Lambro about 4,957 inhabitants, up 10% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 4385 |
| 2020 | 4399 |
| 2021 | 4422 |
| 2022 | 4489 |
| 2023 | 4420 |
| 2024 | 4444 |
| 2025 | 4463 |
| 2026 | 4508 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2324 | 51.6% |
| Women | 2184 | 48.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 23 |
| 2022 | 36 |
| 2023 | 26 |
| 2024 | 24 |
| 2025 | 25 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1455 |
| 1961 | 1367 |
| 1971 | 1027 |
| 1981 | 1697 |
| 1991 | 2751 |
| 2001 | 3446 |
| 2011 | 4186 |
| 2019 | 4385 |
| 2020 | 4399 |
| 2021 | 4422 |
| 2022 | 4489 |
| 2023 | 4420 |
| 2024 | 4444 |
| 2025 | 4463 |
| 2026 | 4508 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4124 | 46.2% |
| Married | 3998 | 44.8% |
| Divorced | 356 | 4.0% |
| Widowed | 448 | 5.0% |
School-Age Population (2026)
Total 0-18 years: 749
| Valore | |
|---|---|
| Nido (0-2) | 77 |
| Infanzia (3-5) | 100 |
| Primaria (6-10) | 198 |
| Medie (11-13) | 155 |
| Superiori (14-18) | 219 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Zenone al Lambro population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-zenone-al-lambro-015202" title="Population pyramid of San Zenone al Lambro — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-zenone-al-lambro-015202" alt="Population pyramid of San Zenone al Lambro — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>