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Population & demographics
All demographic data for Olgiate Olona: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Olgiate Olona.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Olgiate Olona.
Olgiate Olona is a medium-sized municipality in the province of Varese, Lombardia region. With a population of 12.953 inhabitants and a density of 1797 per km², it covers an area of 7,2 km². The average declared income is 30.550 €.
Olgiate Olona in numbers: the analysis
Olgiate Olona has grown substantially since 1951: from 4,991 inhabitants then to 12,953 in 2026, an increase of 159.5%.
The generational balance is in line with the norm: the ageing index of Olgiate Olona is 187 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Olgiate Olona about 14,647 inhabitants, up 13.1% from today.
The average municipality in the province of Varese has about 6,506 residents: Olgiate Olona has 2 times as many.
Few municipalities in Lombardia are larger: it ranks no. 142 by population out of 1502.
By population, Olgiate Olona ranks no. 14 among the 136 municipalities of the province of Varese.
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: 2176
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Olgiate Olona population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/olgiate-olona-012108" title="Population pyramid of Olgiate Olona — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/olgiate-olona-012108" alt="Population pyramid of Olgiate Olona — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>