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Population & demographics
All demographic data for Castel San Vincenzo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castel San Vincenzo.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castel San Vincenzo.
Castel San Vincenzo is a small municipality in the province of Isernia, Molise region. With a population of 418 inhabitants and a density of 19 per km², it covers an area of 21.6 km². The average declared income is 18.357 €.
Castel San Vincenzo in numbers: the analysis
The ageing index is one of the starkest signals: in Castel San Vincenzo there are 568 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 246 inhabitants for Castel San Vincenzo: an expected decline of 41.1% from today.
Compared with the provincial average of Isernia (about 1,504 residents per municipality), Castel San Vincenzo is a markedly smaller centre.
Among the 52 municipalities of the province of Isernia, Castel San Vincenzo ranks 41 by population.
The census record tells a story of long decline: in 1951 Castel San Vincenzo had 1,018 inhabitants; today (2026) it has 418 — 58.9% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 488 |
| 2020 | 483 |
| 2021 | 474 |
| 2022 | 461 |
| 2023 | 440 |
| 2024 | 433 |
| 2025 | 427 |
| 2026 | 418 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 215 | 51.4% |
| Women | 203 | 48.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 0 |
| 2023 | 1 |
| 2024 | 0 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1018 |
| 1961 | 940 |
| 1971 | 688 |
| 1981 | 613 |
| 1991 | 591 |
| 2001 | 577 |
| 2011 | 545 |
| 2019 | 488 |
| 2020 | 483 |
| 2021 | 474 |
| 2022 | 461 |
| 2023 | 440 |
| 2024 | 433 |
| 2025 | 427 |
| 2026 | 418 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 316 | 37.0% |
| Married | 414 | 48.5% |
| Divorced | 26 | 3.0% |
| Widowed | 98 | 11.5% |
School-Age Population (2026)
Total 0-18 years: 33
| Valore | |
|---|---|
| Nido (0-2) | 2 |
| Infanzia (3-5) | 4 |
| Primaria (6-10) | 11 |
| Medie (11-13) | 6 |
| Superiori (14-18) | 10 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castel San Vincenzo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castel-san-vincenzo-094012" title="Population pyramid of Castel San Vincenzo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castel-san-vincenzo-094012" alt="Population pyramid of Castel San Vincenzo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>