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Population & demographics
All demographic data for Arce: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Arce.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Arce.
Arce is a medium-sized municipality in the province of Frosinone, Lazio region. With a population of 5376 inhabitants and a density of 138 per km², it covers an area of 38.9 km². The average declared income is 21.758 €.
Arce in numbers: the analysis
Demographic projections to 2050 estimate about 4,761 inhabitants for Arce: an expected decline of 11.4% from today.
Among the 91 municipalities of the province of Frosinone, Arce ranks 21 by population.
The census record tells a story of long decline: in 1951 Arce had 7,616 inhabitants; today (2026) it has 5,376 — 29.4% fewer.
The ageing index is one of the starkest signals: in Arce there are 275 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 5570 |
| 2020 | 5492 |
| 2021 | 5403 |
| 2022 | 5430 |
| 2023 | 5405 |
| 2024 | 5390 |
| 2025 | 5388 |
| 2026 | 5376 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2685 | 49.9% |
| Women | 2691 | 50.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 31 |
| 2022 | 32 |
| 2023 | 36 |
| 2024 | 27 |
| 2025 | 22 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 7616 |
| 1961 | 6601 |
| 1971 | 6058 |
| 1981 | 6074 |
| 1991 | 6174 |
| 2001 | 6029 |
| 2011 | 5783 |
| 2019 | 5570 |
| 2020 | 5492 |
| 2021 | 5403 |
| 2022 | 5430 |
| 2023 | 5405 |
| 2024 | 5390 |
| 2025 | 5388 |
| 2026 | 5376 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4532 | 42.1% |
| Married | 4900 | 45.5% |
| Divorced | 308 | 2.9% |
| Widowed | 1036 | 9.6% |
School-Age Population (2026)
Total 0-18 years: 725
| Valore | |
|---|---|
| Nido (0-2) | 82 |
| Infanzia (3-5) | 112 |
| Primaria (6-10) | 205 |
| Medie (11-13) | 125 |
| Superiori (14-18) | 201 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Arce population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/arce-060008" title="Population pyramid of Arce — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/arce-060008" alt="Population pyramid of Arce — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>