Castel Maggiore: 18.479 inhabitants (2026)
ISTAT Code: 037019
44.5750°N, 11.3649°E
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Population & demographics
All demographic data for Castel Maggiore: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castel Maggiore.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castel Maggiore.
Castel Maggiore is a medium-sized municipality in the province of Bologna, Emilia-Romagna region. With a population of 18.479 inhabitants and a density of 598 per km², it covers an area of 30,9 km². The average declared income is 30.667 €.
Castel Maggiore in numbers: the analysis
Castel Maggiore has grown substantially since 1951: from 6,164 inhabitants then to 18,479 in 2026, an increase of 199.8%.
The generational balance is in line with the norm: the ageing index of Castel Maggiore is 222 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 18,854 inhabitants.
Among the 55 municipalities of the province of Bologna, Castel Maggiore ranks 10 by population.
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: 2867
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castel Maggiore population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castel-maggiore-037019" title="Population pyramid of Castel Maggiore — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castel-maggiore-037019" alt="Population pyramid of Castel Maggiore — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>