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Population & demographics
All demographic data for Castelnuovo Belbo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castelnuovo Belbo.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castelnuovo Belbo.
Castelnuovo Belbo is a small municipality in the province of Asti, Piemonte region. With a population of 815 inhabitants and a density of 86 per km², it covers an area of 9.4 km². The average declared income is 20.984 €.
Castelnuovo Belbo in numbers: the analysis
Compared with the provincial average of Asti (about 1,770 residents per municipality), Castelnuovo Belbo is a markedly smaller centre.
Among the 117 municipalities of the province of Asti, Castelnuovo Belbo ranks 47 by population.
The census record tells a story of long decline: in 1951 Castelnuovo Belbo had 1,563 inhabitants; today (2026) it has 815 — 47.9% fewer.
The ageing index is one of the starkest signals: in Castelnuovo Belbo there are 289 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 723 inhabitants for Castelnuovo Belbo: an expected decline of 11.3% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 844 |
| 2020 | 825 |
| 2021 | 813 |
| 2022 | 805 |
| 2023 | 824 |
| 2024 | 824 |
| 2025 | 806 |
| 2026 | 815 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 394 | 48.3% |
| Women | 421 | 51.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 1 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1563 |
| 1961 | 1299 |
| 1971 | 1118 |
| 1981 | 1043 |
| 1991 | 878 |
| 2001 | 930 |
| 2011 | 895 |
| 2019 | 844 |
| 2020 | 825 |
| 2021 | 813 |
| 2022 | 805 |
| 2023 | 824 |
| 2024 | 824 |
| 2025 | 806 |
| 2026 | 815 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 654 | 40.6% |
| Married | 750 | 46.5% |
| Divorced | 60 | 3.7% |
| Widowed | 148 | 9.2% |
School-Age Population (2026)
Total 0-18 years: 119
| Valore | |
|---|---|
| Nido (0-2) | 11 |
| Infanzia (3-5) | 15 |
| Primaria (6-10) | 31 |
| Medie (11-13) | 20 |
| Superiori (14-18) | 42 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castelnuovo Belbo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castelnuovo-belbo-005029" title="Population pyramid of Castelnuovo Belbo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castelnuovo-belbo-005029" alt="Population pyramid of Castelnuovo Belbo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>