Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Lazio.
Province page
Open the full profile page for the province of Frosinone.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Lazio ranked by average income.
Provincial population ranking
View the municipalities in the province of Frosinone ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
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>