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Population & demographics
All demographic data for Osasio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Osasio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Osasio.
Osasio is a small municipality in the province of Torino, Piemonte region. With a population of 896 inhabitants and a density of 196 per km², it covers an area of 4.6 km². The average declared income is 27.299 €.
Osasio in numbers: the analysis
Demographic projections to 2050 estimate about 815 inhabitants for Osasio: an expected decline of 9% from today.
Compared with the provincial average of Torino (about 7,067 residents per municipality), Osasio is a markedly smaller centre.
Among the 312 municipalities of the province of Torino, Osasio ranks 206 by population.
Osasio has grown substantially since 1951: from 784 inhabitants then to 896 in 2026, an increase of 14.3%.
The generational balance is in line with the norm: the ageing index of Osasio is 224 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 921 |
| 2020 | 912 |
| 2021 | 929 |
| 2022 | 936 |
| 2023 | 929 |
| 2024 | 919 |
| 2025 | 899 |
| 2026 | 896 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 466 | 52.0% |
| Women | 430 | 48.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 9 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 784 |
| 1961 | 602 |
| 1971 | 538 |
| 1981 | 568 |
| 1991 | 593 |
| 2001 | 738 |
| 2011 | 913 |
| 2019 | 921 |
| 2020 | 912 |
| 2021 | 929 |
| 2022 | 936 |
| 2023 | 929 |
| 2024 | 919 |
| 2025 | 899 |
| 2026 | 896 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 692 | 38.5% |
| Married | 926 | 51.5% |
| Divorced | 62 | 3.4% |
| Widowed | 118 | 6.6% |
School-Age Population (2026)
Total 0-18 years: 147
| Valore | |
|---|---|
| Nido (0-2) | 12 |
| Infanzia (3-5) | 21 |
| Primaria (6-10) | 35 |
| Medie (11-13) | 34 |
| Superiori (14-18) | 45 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Osasio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/osasio-001174" title="Population pyramid of Osasio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/osasio-001174" alt="Population pyramid of Osasio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>