Bosio: 1037 inhabitants (2026)
ISTAT Code: 006022
44.6478°N, 8.7919°E
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Population & demographics
All demographic data for Bosio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Bosio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Bosio.
Bosio is a small municipality in the province of Alessandria, Piemonte region. With a population of 1037 inhabitants and a density of 15 per km², it covers an area of 66.9 km². The average declared income is 22.216 €.
Bosio in numbers: the analysis
Demographic projections to 2050 estimate about 674 inhabitants for Bosio: an expected decline of 35% from today.
The ageing index is one of the starkest signals: in Bosio there are 420 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Bosio had 2,025 inhabitants; today (2026) it has 1,037 — 48.8% fewer.
Among the 187 municipalities of the province of Alessandria, Bosio ranks 70 by population.
Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Bosio is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1176 |
| 2020 | 1152 |
| 2021 | 1082 |
| 2022 | 1062 |
| 2023 | 1038 |
| 2024 | 1038 |
| 2025 | 1031 |
| 2026 | 1037 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 543 | 52.4% |
| Women | 494 | 47.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 5 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2025 |
| 1961 | 1701 |
| 1971 | 1507 |
| 1981 | 1329 |
| 1991 | 1217 |
| 2001 | 1177 |
| 2011 | 1240 |
| 2019 | 1176 |
| 2020 | 1152 |
| 2021 | 1082 |
| 2022 | 1062 |
| 2023 | 1038 |
| 2024 | 1038 |
| 2025 | 1031 |
| 2026 | 1037 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 840 | 40.7% |
| Married | 952 | 46.2% |
| Divorced | 94 | 4.6% |
| Widowed | 176 | 8.5% |
School-Age Population (2026)
Total 0-18 years: 114
| Valore | |
|---|---|
| Nido (0-2) | 12 |
| Infanzia (3-5) | 14 |
| Primaria (6-10) | 33 |
| Medie (11-13) | 17 |
| Superiori (14-18) | 38 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Bosio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/bosio-006022" title="Population pyramid of Bosio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/bosio-006022" alt="Population pyramid of Bosio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>