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Population & demographics
All demographic data for Cologno al Serio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Cologno al Serio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Cologno al Serio.
Cologno al Serio is a medium-sized municipality in the province of Bergamo, Lombardia region. With a population of 11.287 inhabitants and a density of 612 per km², it covers an area of 18.4 km². The average declared income is 24.468 €.
Cologno al Serio in numbers: the analysis
Cologno al Serio has grown substantially since 1951: from 5,609 inhabitants then to 11,287 in 2026, an increase of 101.2%.
The generational balance is in line with the norm: the ageing index of Cologno al Serio is 167 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Cologno al Serio about 12,008 inhabitants, up 6.4% from today.
The average municipality in the province of Bergamo has about 4,606 residents: Cologno al Serio has 2.5 times as many.
By population, Cologno al Serio ranks no. 12 among the 243 municipalities of the province of Bergamo.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 11.085 |
| 2020 | 11.080 |
| 2021 | 11.059 |
| 2022 | 11.065 |
| 2023 | 11.080 |
| 2024 | 11.105 |
| 2025 | 11.174 |
| 2026 | 11.287 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 5702 | 50.5% |
| Women | 5585 | 49.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 74 |
| 2022 | 84 |
| 2023 | 82 |
| 2024 | 79 |
| 2025 | 84 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5609 |
| 1961 | 6104 |
| 1971 | 7207 |
| 1981 | 8012 |
| 1991 | 8836 |
| 2001 | 9442 |
| 2011 | 10.596 |
| 2019 | 11.085 |
| 2020 | 11.080 |
| 2021 | 11.059 |
| 2022 | 11.065 |
| 2023 | 11.080 |
| 2024 | 11.105 |
| 2025 | 11.174 |
| 2026 | 11.287 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 9922 | 44.4% |
| Married | 10.238 | 45.8% |
| Divorced | 722 | 3.2% |
| Widowed | 1466 | 6.6% |
School-Age Population (2026)
Total 0-18 years: 2006
| Valore | |
|---|---|
| Nido (0-2) | 250 |
| Infanzia (3-5) | 264 |
| Primaria (6-10) | 517 |
| Medie (11-13) | 351 |
| Superiori (14-18) | 624 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Cologno al Serio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/cologno-al-serio-016079" title="Population pyramid of Cologno al Serio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/cologno-al-serio-016079" alt="Population pyramid of Cologno al Serio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>