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Population & demographics
All demographic data for Castro dei Volsci: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castro dei Volsci.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castro dei Volsci.
Castro dei Volsci is a small municipality in the province of Frosinone, Lazio region. With a population of 4337 inhabitants and a density of 74 per km², it covers an area of 58.3 km². The average declared income is 20.526 €.
Castro dei Volsci in numbers: the analysis
The ageing index is one of the starkest signals: in Castro dei Volsci there are 284 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 3,358 inhabitants for Castro dei Volsci: an expected decline of 22.6% from today.
Among the 91 municipalities of the province of Frosinone, Castro dei Volsci ranks 26 by population.
The census record tells a story of long decline: in 1951 Castro dei Volsci had 5,862 inhabitants; today (2026) it has 4,337 — 26% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 4673 |
| 2020 | 4606 |
| 2021 | 4483 |
| 2022 | 4519 |
| 2023 | 4471 |
| 2024 | 4418 |
| 2025 | 4353 |
| 2026 | 4337 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2110 | 48.7% |
| Women | 2227 | 51.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 21 |
| 2022 | 29 |
| 2023 | 22 |
| 2024 | 22 |
| 2025 | 20 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5862 |
| 1961 | 5321 |
| 1971 | 4893 |
| 1981 | 5218 |
| 1991 | 5178 |
| 2001 | 5039 |
| 2011 | 4903 |
| 2019 | 4673 |
| 2020 | 4606 |
| 2021 | 4483 |
| 2022 | 4519 |
| 2023 | 4471 |
| 2024 | 4418 |
| 2025 | 4353 |
| 2026 | 4337 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3280 | 37.7% |
| Married | 4414 | 50.7% |
| Divorced | 232 | 2.7% |
| Widowed | 780 | 9.0% |
School-Age Population (2026)
Total 0-18 years: 572
| Valore | |
|---|---|
| Nido (0-2) | 60 |
| Infanzia (3-5) | 78 |
| Primaria (6-10) | 145 |
| Medie (11-13) | 117 |
| Superiori (14-18) | 172 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castro dei Volsci population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castro-dei-volsci-060023" title="Population pyramid of Castro dei Volsci — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castro-dei-volsci-060023" alt="Population pyramid of Castro dei Volsci — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>