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 Milano.
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 Milano ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Gaggiano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Gaggiano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Gaggiano.
Gaggiano is a medium-sized municipality in the province of Milano, Lombardia region. With a population of 9543 inhabitants and a density of 365 per km², it covers an area of 26.2 km². The average declared income is 29.077 €.
Gaggiano in numbers: the analysis
Among the 133 municipalities of the province of Milano, Gaggiano ranks 63 by population.
Compared with the provincial average of Milano (about 24,459 residents per municipality), Gaggiano is a markedly smaller centre.
Looking ahead to 2050, projections give Gaggiano about 11,330 inhabitants, up 18.7% from today.
The generational balance is in line with the norm: the ageing index of Gaggiano is 191 (over-65s per 100 under-14s).
Gaggiano has grown substantially since 1951: from 4,742 inhabitants then to 9,543 in 2026, an increase of 101.2%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 9077 |
| 2020 | 9095 |
| 2021 | 9225 |
| 2022 | 9218 |
| 2023 | 9281 |
| 2024 | 9347 |
| 2025 | 9458 |
| 2026 | 9543 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 4652 | 48.7% |
| Women | 4891 | 51.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 58 |
| 2022 | 72 |
| 2023 | 74 |
| 2024 | 63 |
| 2025 | 58 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4742 |
| 1961 | 5026 |
| 1971 | 5338 |
| 1981 | 6928 |
| 1991 | 8008 |
| 2001 | 8111 |
| 2011 | 8933 |
| 2019 | 9077 |
| 2020 | 9095 |
| 2021 | 9225 |
| 2022 | 9218 |
| 2023 | 9281 |
| 2024 | 9347 |
| 2025 | 9458 |
| 2026 | 9543 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 8482 | 44.8% |
| Married | 8248 | 43.6% |
| Divorced | 892 | 4.7% |
| Widowed | 1294 | 6.8% |
School-Age Population (2026)
Total 0-18 years: 1651
| Valore | |
|---|---|
| Nido (0-2) | 202 |
| Infanzia (3-5) | 204 |
| Primaria (6-10) | 437 |
| Medie (11-13) | 278 |
| Superiori (14-18) | 530 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Gaggiano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/gaggiano-015103" title="Population pyramid of Gaggiano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/gaggiano-015103" alt="Population pyramid of Gaggiano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>