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Population & demographics
All demographic data for San Vittore Olona: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Vittore Olona.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Vittore Olona.
San Vittore Olona is a medium-sized municipality in the province of Milano, Lombardia region. With a population of 8.450 inhabitants and a density of 2.421 per km², it covers an area of 3,5 km². The average declared income is 28.315 €.
San Vittore Olona in numbers: the analysis
Looking ahead to 2050, projections give San Vittore Olona about 9,101 inhabitants, up 7.7% from today.
The generational balance is in line with the norm: the ageing index of San Vittore Olona is 206 (over-65s per 100 under-14s).
San Vittore Olona has grown substantially since 1951: from 4,496 inhabitants then to 8,450 in 2026, an increase of 87.9%.
Among the 133 municipalities of the province of Milano, San Vittore Olona ranks 74 by population.
Compared with the provincial average of Milano (about 24,459 residents per municipality), San Vittore Olona is a markedly smaller centre.
Population Trend
Male/Female Ratio
Demographic Statistics
Demographic Indices
Denominator: annual mean population
Denominator: annual mean population
Births (recent years)
Historical Population (1951-present)
Marital Status (2025)
School-Age Population (2026)
Total 0-18 years: 1.333
Foreign residents
Foreign presence and top citizenships
Denominator: residents on 1 January (stock)
Embed this chart
Use the San Vittore Olona population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-vittore-olona-015201" title="Population pyramid of San Vittore Olona — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-vittore-olona-015201" alt="Population pyramid of San Vittore Olona — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>