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Population & demographics
All demographic data for Rocca d'Arce: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Rocca d'Arce.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Rocca d'Arce.
Rocca d'Arce is a small municipality in the province of Frosinone, Lazio region. With a population of 835 inhabitants and a density of 75 per km², it covers an area of 11.1 km². The average declared income is 21.040 €.
Rocca d'Arce in numbers: the analysis
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), Rocca d'Arce is a markedly smaller centre.
Among the 91 municipalities of the province of Frosinone, Rocca d'Arce ranks 79 by population.
The census record tells a story of long decline: in 1951 Rocca d'Arce had 1,586 inhabitants; today (2026) it has 835 — 47.4% fewer.
The ageing index is one of the starkest signals: in Rocca d'Arce there are 381 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 601 inhabitants for Rocca d'Arce: an expected decline of 28% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 919 |
| 2020 | 931 |
| 2021 | 921 |
| 2022 | 911 |
| 2023 | 884 |
| 2024 | 872 |
| 2025 | 842 |
| 2026 | 835 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 418 | 50.1% |
| Women | 417 | 49.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 3 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1586 |
| 1961 | 1250 |
| 1971 | 1036 |
| 1981 | 985 |
| 1991 | 1059 |
| 2001 | 1031 |
| 2011 | 971 |
| 2019 | 919 |
| 2020 | 931 |
| 2021 | 921 |
| 2022 | 911 |
| 2023 | 884 |
| 2024 | 872 |
| 2025 | 842 |
| 2026 | 835 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 622 | 36.9% |
| Married | 858 | 51.0% |
| Divorced | 32 | 1.9% |
| Widowed | 172 | 10.2% |
School-Age Population (2026)
Total 0-18 years: 106
| Valore | |
|---|---|
| Nido (0-2) | 12 |
| Infanzia (3-5) | 16 |
| Primaria (6-10) | 24 |
| Medie (11-13) | 15 |
| Superiori (14-18) | 39 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Rocca d'Arce population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/rocca-d-arce-060059" title="Population pyramid of Rocca d'Arce — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/rocca-d-arce-060059" alt="Population pyramid of Rocca d'Arce — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>