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Population & demographics
All demographic data for Orio al Serio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Orio al Serio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Orio al Serio.
Orio al Serio is a small municipality in the province of Bergamo, Lombardia region. With a population of 1588 inhabitants and a density of 524 per km², it covers an area of 3.0 km². The average declared income is 24.174 €.
Orio al Serio in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Orio al Serio is 203 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 1,196 inhabitants for Orio al Serio: an expected decline of 24.7% from today.
Compared with the provincial average of Bergamo (about 4,606 residents per municipality), Orio al Serio is a markedly smaller centre.
Among the 243 municipalities of the province of Bergamo, Orio al Serio ranks 161 by population.
Orio al Serio has grown substantially since 1951: from 1,041 inhabitants then to 1,588 in 2026, an increase of 52.5%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1725 |
| 2020 | 1695 |
| 2021 | 1752 |
| 2022 | 1667 |
| 2023 | 1650 |
| 2024 | 1634 |
| 2025 | 1624 |
| 2026 | 1588 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 808 | 50.9% |
| Women | 780 | 49.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 12 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 13 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1041 |
| 1961 | 977 |
| 1971 | 1232 |
| 1981 | 1233 |
| 1991 | 1302 |
| 2001 | 1580 |
| 2011 | 1733 |
| 2019 | 1725 |
| 2020 | 1695 |
| 2021 | 1752 |
| 2022 | 1667 |
| 2023 | 1650 |
| 2024 | 1634 |
| 2025 | 1624 |
| 2026 | 1588 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1466 | 45.1% |
| Married | 1436 | 44.2% |
| Divorced | 142 | 4.4% |
| Widowed | 204 | 6.3% |
School-Age Population (2026)
Total 0-18 years: 248
| Valore | |
|---|---|
| Nido (0-2) | 25 |
| Infanzia (3-5) | 28 |
| Primaria (6-10) | 62 |
| Medie (11-13) | 57 |
| Superiori (14-18) | 76 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Orio al Serio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/orio-al-serio-016150" title="Population pyramid of Orio al Serio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/orio-al-serio-016150" alt="Population pyramid of Orio al Serio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>