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Population & demographics
All demographic data for Bianzone: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Bianzone.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Bianzone.
Bianzone is a small municipality in the province of Sondrio, Lombardia region. With a population of 1263 inhabitants and a density of 73 per km², it covers an area of 17.3 km². The average declared income is 21.595 €.
Bianzone in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Bianzone is 219 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 1,126 inhabitants for Bianzone: an expected decline of 10.8% from today.
Compared with the provincial average of Sondrio (about 2,328 residents per municipality), Bianzone is a markedly smaller centre.
Among the 77 municipalities of the province of Sondrio, Bianzone ranks 42 by population.
The census record tells a story of long decline: in 1951 Bianzone had 1,524 inhabitants; today (2026) it has 1,263 — 17.1% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1306 |
| 2020 | 1293 |
| 2021 | 1273 |
| 2022 | 1262 |
| 2023 | 1256 |
| 2024 | 1262 |
| 2025 | 1253 |
| 2026 | 1263 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 637 | 50.4% |
| Women | 626 | 49.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 7 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1524 |
| 1961 | 1452 |
| 1971 | 1282 |
| 1981 | 1308 |
| 1991 | 1362 |
| 2001 | 1220 |
| 2011 | 1273 |
| 2019 | 1306 |
| 2020 | 1293 |
| 2021 | 1273 |
| 2022 | 1262 |
| 2023 | 1256 |
| 2024 | 1262 |
| 2025 | 1253 |
| 2026 | 1263 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1072 | 42.8% |
| Married | 1144 | 45.7% |
| Divorced | 132 | 5.3% |
| Widowed | 158 | 6.3% |
School-Age Population (2026)
Total 0-18 years: 210
| Valore | |
|---|---|
| Nido (0-2) | 21 |
| Infanzia (3-5) | 28 |
| Primaria (6-10) | 63 |
| Medie (11-13) | 36 |
| Superiori (14-18) | 62 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Bianzone population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/bianzone-014008" title="Population pyramid of Bianzone — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/bianzone-014008" alt="Population pyramid of Bianzone — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>