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Population & demographics
All demographic data for Castelbianco: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castelbianco.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castelbianco.
Castelbianco is a small municipality in the province of Savona, Liguria region. With a population of 319 inhabitants and a density of 21 per km², it covers an area of 15.1 km². The average declared income is 18.772 €.
Castelbianco in numbers: the analysis
Among the 69 municipalities of the province of Savona, Castelbianco ranks 61 by population.
The census record tells a story of long decline: in 1951 Castelbianco had 459 inhabitants; today (2026) it has 319 — 30.5% fewer.
The generational balance is in line with the norm: the ageing index of Castelbianco is 236 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 322 inhabitants.
Compared with the provincial average of Savona (about 3,868 residents per municipality), Castelbianco is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 318 |
| 2020 | 319 |
| 2021 | 310 |
| 2022 | 316 |
| 2023 | 319 |
| 2024 | 324 |
| 2025 | 321 |
| 2026 | 319 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 154 | 48.3% |
| Women | 165 | 51.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 0 |
| 2024 | 2 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 459 |
| 1961 | 367 |
| 1971 | 291 |
| 1981 | 267 |
| 1991 | 265 |
| 2001 | 287 |
| 2011 | 321 |
| 2019 | 318 |
| 2020 | 319 |
| 2021 | 310 |
| 2022 | 316 |
| 2023 | 319 |
| 2024 | 324 |
| 2025 | 321 |
| 2026 | 319 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 282 | 43.9% |
| Married | 266 | 41.4% |
| Divorced | 48 | 7.5% |
| Widowed | 46 | 7.2% |
School-Age Population (2026)
Total 0-18 years: 50
| Valore | |
|---|---|
| Nido (0-2) | 2 |
| Infanzia (3-5) | 6 |
| Primaria (6-10) | 11 |
| Medie (11-13) | 7 |
| Superiori (14-18) | 24 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castelbianco population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castelbianco-009020" title="Population pyramid of Castelbianco — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castelbianco-009020" alt="Population pyramid of Castelbianco — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>