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Population & demographics
All demographic data for Castelletto Cervo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castelletto Cervo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Castelletto Cervo.
Castelletto Cervo is a small municipality in the province of Biella, Piemonte region. With a population of 758 inhabitants and a density of 50 per km², it covers an area of 15.2 km². The average declared income is 21.781 €.
Castelletto Cervo in numbers: the analysis
Among the 74 municipalities of the province of Biella, Castelletto Cervo ranks 47 by population.
The census record tells a story of long decline: in 1951 Castelletto Cervo had 936 inhabitants; today (2026) it has 758 — 19% fewer.
The generational balance is in line with the norm: the ageing index of Castelletto Cervo is 234 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 622 inhabitants for Castelletto Cervo: an expected decline of 17.9% from today.
Compared with the provincial average of Biella (about 2,273 residents per municipality), Castelletto Cervo is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 803 |
| 2020 | 819 |
| 2021 | 795 |
| 2022 | 796 |
| 2023 | 773 |
| 2024 | 788 |
| 2025 | 769 |
| 2026 | 758 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 392 | 51.7% |
| Women | 366 | 48.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 3 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 936 |
| 1961 | 944 |
| 1971 | 727 |
| 1981 | 689 |
| 1991 | 755 |
| 2001 | 858 |
| 2011 | 880 |
| 2019 | 803 |
| 2020 | 819 |
| 2021 | 795 |
| 2022 | 796 |
| 2023 | 773 |
| 2024 | 788 |
| 2025 | 769 |
| 2026 | 758 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 640 | 41.6% |
| Married | 680 | 44.2% |
| Divorced | 120 | 7.8% |
| Widowed | 98 | 6.4% |
School-Age Population (2026)
Total 0-18 years: 105
| Valore | |
|---|---|
| Nido (0-2) | 12 |
| Infanzia (3-5) | 15 |
| Primaria (6-10) | 26 |
| Medie (11-13) | 24 |
| Superiori (14-18) | 28 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castelletto Cervo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castelletto-cervo-096015" title="Population pyramid of Castelletto Cervo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castelletto-cervo-096015" alt="Population pyramid of Castelletto Cervo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>