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Population & demographics
All demographic data for Osio Sotto: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Osio Sotto.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Osio Sotto.
Osio Sotto is a medium-sized municipality in the province of Bergamo, Lombardia region. With a population of 12.892 inhabitants and a density of 1733 per km², it covers an area of 7.4 km². The average declared income is 25.836 €.
Osio Sotto in numbers: the analysis
Looking ahead to 2050, projections give Osio Sotto about 14,470 inhabitants, up 12.2% from today.
The average municipality in the province of Bergamo has about 4,606 residents: Osio Sotto has 2.8 times as many.
Few municipalities in Lombardia are larger: it ranks no. 143 by population out of 1502.
By population, Osio Sotto ranks no. 10 among the 243 municipalities of the province of Bergamo.
Osio Sotto has grown substantially since 1951: from 4,389 inhabitants then to 12,892 in 2026, an increase of 193.7%.
The generational balance is in line with the norm: the ageing index of Osio Sotto is 164 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 12.465 |
| 2020 | 12.560 |
| 2021 | 12.531 |
| 2022 | 12.487 |
| 2023 | 12.632 |
| 2024 | 12.702 |
| 2025 | 12.799 |
| 2026 | 12.892 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 6490 | 50.3% |
| Women | 6402 | 49.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 108 |
| 2022 | 90 |
| 2023 | 102 |
| 2024 | 99 |
| 2025 | 102 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4389 |
| 1961 | 5163 |
| 1971 | 6487 |
| 1981 | 9449 |
| 1991 | 9982 |
| 2001 | 10.630 |
| 2011 | 12.080 |
| 2019 | 12.465 |
| 2020 | 12.560 |
| 2021 | 12.531 |
| 2022 | 12.487 |
| 2023 | 12.632 |
| 2024 | 12.702 |
| 2025 | 12.799 |
| 2026 | 12.892 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 11.598 | 45.3% |
| Married | 11.268 | 44.0% |
| Divorced | 1010 | 3.9% |
| Widowed | 1722 | 6.7% |
School-Age Population (2026)
Total 0-18 years: 2275
| Valore | |
|---|---|
| Nido (0-2) | 323 |
| Infanzia (3-5) | 302 |
| Primaria (6-10) | 578 |
| Medie (11-13) | 382 |
| Superiori (14-18) | 690 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Osio Sotto population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/osio-sotto-016153" title="Population pyramid of Osio Sotto — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/osio-sotto-016153" alt="Population pyramid of Osio Sotto — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>