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Population & demographics
All demographic data for Bioglio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Bioglio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Bioglio.
Bioglio is a small municipality in the province of Biella, Piemonte region. With a population of 888 inhabitants and a density of 48 per km², it covers an area of 18.3 km². The average declared income is 22.438 €.
Bioglio in numbers: the analysis
For 2050 the projections point to an essentially unchanged population: about 868 inhabitants.
Compared with the provincial average of Biella (about 2,273 residents per municipality), Bioglio is a markedly smaller centre.
Among the 74 municipalities of the province of Biella, Bioglio ranks 42 by population.
The census record tells a story of long decline: in 1951 Bioglio had 1,654 inhabitants; today (2026) it has 888 — 46.3% fewer.
The ageing index is one of the starkest signals: in Bioglio there are 397 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 894 |
| 2020 | 874 |
| 2021 | 894 |
| 2022 | 905 |
| 2023 | 892 |
| 2024 | 913 |
| 2025 | 902 |
| 2026 | 888 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 455 | 51.2% |
| Women | 433 | 48.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1654 |
| 1961 | 1622 |
| 1971 | 1362 |
| 1981 | 1191 |
| 1991 | 1084 |
| 2001 | 1087 |
| 2011 | 986 |
| 2019 | 894 |
| 2020 | 874 |
| 2021 | 894 |
| 2022 | 905 |
| 2023 | 892 |
| 2024 | 913 |
| 2025 | 902 |
| 2026 | 888 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 762 | 42.2% |
| Married | 788 | 43.7% |
| Divorced | 132 | 7.3% |
| Widowed | 122 | 6.8% |
School-Age Population (2026)
Total 0-18 years: 104
| Valore | |
|---|---|
| Nido (0-2) | 12 |
| Infanzia (3-5) | 9 |
| Primaria (6-10) | 29 |
| Medie (11-13) | 18 |
| Superiori (14-18) | 36 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Bioglio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/bioglio-096005" title="Population pyramid of Bioglio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/bioglio-096005" alt="Population pyramid of Bioglio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>