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Population & demographics
All demographic data for Valle San Nicolao: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Valle San Nicolao.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Valle San Nicolao.
Valle San Nicolao is a small municipality in the province of Biella, Piemonte region. With a population of 815 inhabitants and a density of 61 per km², it covers an area of 13.4 km². The average declared income is 23.526 €.
Valle San Nicolao in numbers: the analysis
Demographic projections to 2050 estimate about 484 inhabitants for Valle San Nicolao: an expected decline of 40.6% from today.
Compared with the provincial average of Biella (about 2,273 residents per municipality), Valle San Nicolao is a markedly smaller centre.
Among the 74 municipalities of the province of Biella, Valle San Nicolao ranks 45 by population.
The census record tells a story of long decline: in 1951 Valle San Nicolao had 1,959 inhabitants; today (2026) it has 815 — 58.4% fewer.
The ageing index is one of the starkest signals: in Valle San Nicolao there are 543 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 949 |
| 2020 | 922 |
| 2021 | 906 |
| 2022 | 881 |
| 2023 | 856 |
| 2024 | 836 |
| 2025 | 834 |
| 2026 | 815 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 415 | 50.9% |
| Women | 400 | 49.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1959 |
| 1961 | 1867 |
| 1971 | 1474 |
| 1981 | 1259 |
| 1991 | 1206 |
| 2001 | 1141 |
| 2011 | 1086 |
| 2019 | 949 |
| 2020 | 922 |
| 2021 | 906 |
| 2022 | 881 |
| 2023 | 856 |
| 2024 | 836 |
| 2025 | 834 |
| 2026 | 815 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 636 | 38.1% |
| Married | 784 | 47.0% |
| Divorced | 100 | 6.0% |
| Widowed | 148 | 8.9% |
School-Age Population (2026)
Total 0-18 years: 70
| Valore | |
|---|---|
| Nido (0-2) | 2 |
| Infanzia (3-5) | 11 |
| Primaria (6-10) | 18 |
| Medie (11-13) | 11 |
| Superiori (14-18) | 28 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Valle San Nicolao population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/valle-san-nicolao-096074" title="Population pyramid of Valle San Nicolao — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/valle-san-nicolao-096074" alt="Population pyramid of Valle San Nicolao — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>