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Population & demographics
All demographic data for San Gillio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Gillio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Gillio.
San Gillio is a small municipality in the province of Torino, Piemonte region. With a population of 3311 inhabitants and a density of 372 per km², it covers an area of 8,9 km². The average declared income is 28.044 €.
San Gillio in numbers: the analysis
Looking ahead to 2050, projections give San Gillio about 4,010 inhabitants, up 21.1% from today.
The generational balance is in line with the norm: the ageing index of San Gillio is 176 (over-65s per 100 under-14s).
San Gillio has grown substantially since 1951: from 731 inhabitants then to 3,311 in 2026, an increase of 352.9%.
Among the 312 municipalities of the province of Torino, San Gillio ranks 94 by population.
Compared with the provincial average of Torino (about 7,067 residents per municipality), San Gillio is a markedly smaller centre.
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: 566
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Gillio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-gillio-001243" title="Population pyramid of San Gillio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-gillio-001243" alt="Population pyramid of San Gillio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>