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Population & demographics
All demographic data for Blello: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Blello.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Blello.
Blello is a small municipality in the province of Bergamo, Lombardia region. With a population of 71 inhabitants and a density of 32 per km², it covers an area of 2.2 km². The average declared income is 18.608 €.
Blello in numbers: the analysis
Demographic projections to 2050 estimate about 59 inhabitants for Blello: an expected decline of 16.9% from today.
Compared with the provincial average of Bergamo (about 4,606 residents per municipality), Blello is a markedly smaller centre.
Among the 243 municipalities of the province of Bergamo, Blello ranks 243 by population.
The census record tells a story of long decline: in 1951 Blello had 164 inhabitants; today (2026) it has 71 — 56.7% fewer.
The ageing index is one of the starkest signals: in Blello there are 560 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 75 |
| 2020 | 76 |
| 2021 | 75 |
| 2022 | 72 |
| 2023 | 71 |
| 2024 | 74 |
| 2025 | 70 |
| 2026 | 71 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 35 | 49.3% |
| Women | 36 | 50.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 0 |
| 2022 | 1 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 164 |
| 1961 | 126 |
| 1971 | 105 |
| 1981 | 104 |
| 1991 | 106 |
| 2001 | 94 |
| 2011 | 76 |
| 2019 | 75 |
| 2020 | 76 |
| 2021 | 75 |
| 2022 | 72 |
| 2023 | 71 |
| 2024 | 74 |
| 2025 | 70 |
| 2026 | 71 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 74 | 52.9% |
| Married | 52 | 37.1% |
| Divorced | 4 | 2.9% |
| Widowed | 10 | 7.1% |
School-Age Population (2026)
Total 0-18 years: 8
| Valore | |
|---|---|
| Nido (0-2) | 0 |
| Infanzia (3-5) | 0 |
| Primaria (6-10) | 3 |
| Medie (11-13) | 1 |
| Superiori (14-18) | 4 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Blello population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/blello-016027" title="Population pyramid of Blello — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/blello-016027" alt="Population pyramid of Blello — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>