Castelspina: 391 inhabitants (2026)
ISTAT Code: 006054
44.8045°N, 8.5824°E
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Population & demographics
All demographic data for Castelspina: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castelspina.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castelspina.
Castelspina is a small municipality in the province of Alessandria, Piemonte region. With a population of 391 inhabitants and a density of 67 per km², it covers an area of 5.8 km². The average declared income is 24.160 €.
Castelspina in numbers: the analysis
Demographic projections to 2050 estimate about 327 inhabitants for Castelspina: an expected decline of 16.4% from today.
Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Castelspina is a markedly smaller centre.
Among the 187 municipalities of the province of Alessandria, Castelspina ranks 137 by population.
The census record tells a story of long decline: in 1951 Castelspina had 676 inhabitants; today (2026) it has 391 — 42.2% fewer.
The ageing index is one of the starkest signals: in Castelspina there are 443 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 412 |
| 2020 | 410 |
| 2021 | 391 |
| 2022 | 392 |
| 2023 | 394 |
| 2024 | 385 |
| 2025 | 384 |
| 2026 | 391 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 193 | 49.4% |
| Women | 198 | 50.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 0 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 676 |
| 1961 | 603 |
| 1971 | 519 |
| 1981 | 432 |
| 1991 | 371 |
| 2001 | 394 |
| 2011 | 422 |
| 2019 | 412 |
| 2020 | 410 |
| 2021 | 391 |
| 2022 | 392 |
| 2023 | 394 |
| 2024 | 385 |
| 2025 | 384 |
| 2026 | 391 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 312 | 40.6% |
| Married | 336 | 43.8% |
| Divorced | 48 | 6.3% |
| Widowed | 72 | 9.4% |
School-Age Population (2026)
Total 0-18 years: 40
| Valore | |
|---|---|
| Nido (0-2) | 6 |
| Infanzia (3-5) | 6 |
| Primaria (6-10) | 11 |
| Medie (11-13) | 2 |
| Superiori (14-18) | 15 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castelspina population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castelspina-006054" title="Population pyramid of Castelspina — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castelspina-006054" alt="Population pyramid of Castelspina — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>