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Population & demographics
All demographic data for Osimo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Osimo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Osimo.
Osimo is a medium-sized municipality in the province of Ancona, Marche region. With a population of 34.780 inhabitants and a density of 326 per km², it covers an area of 106,7 km². The average declared income is 25.008 €.
Osimo in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Osimo is 193 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 34,521 inhabitants.
The average municipality in the province of Ancona has about 9,822 residents: Osimo has 3.5 times as many.
Few municipalities in Marche are larger: it ranks no. 11 by population out of 225.
By population, Osimo ranks no. 4 among the 47 municipalities of the province of Ancona.
Osimo has grown substantially since 1951: from 22,782 inhabitants then to 34,780 in 2026, an increase of 52.7%.
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: 5916
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Osimo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/osimo-042034" title="Population pyramid of Osimo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/osimo-042034" alt="Population pyramid of Osimo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>