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Population & demographics
All demographic data for Collobiano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Collobiano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Collobiano.
Collobiano is a small municipality in the province of Vercelli, Piemonte region. With a population of 68 inhabitants and a density of 7 per km², it covers an area of 9.2 km². The average declared income is 26.945 €.
Collobiano in numbers: the analysis
Demographic projections to 2050 estimate about 33 inhabitants for Collobiano: an expected decline of 51.5% from today.
Compared with the provincial average of Vercelli (about 2,026 residents per municipality), Collobiano is a markedly smaller centre.
Among the 82 municipalities of the province of Vercelli, Collobiano ranks 80 by population.
The census record tells a story of long decline: in 1951 Collobiano had 331 inhabitants; today (2026) it has 68 — 79.5% fewer.
The ageing index is one of the starkest signals: in Collobiano there are 767 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 85 |
| 2020 | 88 |
| 2021 | 86 |
| 2022 | 86 |
| 2023 | 78 |
| 2024 | 74 |
| 2025 | 72 |
| 2026 | 68 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 33 | 48.5% |
| Women | 35 | 51.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 331 |
| 1961 | 220 |
| 1971 | 162 |
| 1981 | 133 |
| 1991 | 135 |
| 2001 | 114 |
| 2011 | 105 |
| 2019 | 85 |
| 2020 | 88 |
| 2021 | 86 |
| 2022 | 86 |
| 2023 | 78 |
| 2024 | 74 |
| 2025 | 72 |
| 2026 | 68 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 48 | 33.3% |
| Married | 72 | 50.0% |
| Divorced | 8 | 5.6% |
| Widowed | 16 | 11.1% |
School-Age Population (2026)
Total 0-18 years: 4
| Valore | |
|---|---|
| Nido (0-2) | 1 |
| Infanzia (3-5) | 1 |
| Primaria (6-10) | 1 |
| Medie (11-13) | 0 |
| Superiori (14-18) | 1 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Collobiano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/collobiano-002045" title="Population pyramid of Collobiano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/collobiano-002045" alt="Population pyramid of Collobiano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>