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Population & demographics
All demographic data for Senago: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Senago.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Senago.
Senago is a medium-sized municipality in the province of Milano, Lombardia region. With a population of 21.754 inhabitants and a density of 2530 per km², it covers an area of 8,6 km². The average declared income is 26.262 €.
Senago in numbers: the analysis
Few municipalities in Lombardia are larger: it ranks no. 62 by population out of 1502.
Among the 133 municipalities of the province of Milano, Senago ranks 26 by population.
Senago has grown substantially since 1951: from 5,485 inhabitants then to 21,754 in 2026, an increase of 296.6%.
The generational balance is in line with the norm: the ageing index of Senago is 199 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 22,717 inhabitants.
Population Trend
Male/Female Ratio
Demographic Statistics
Demographic Indices
Births (recent years)
Historical Population (1951-present)
Marital Status (2025)
School-Age Population (2026)
Total 0-18 years: 3471
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Senago population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/senago-015206" title="Population pyramid of Senago — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/senago-015206" alt="Population pyramid of Senago — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>