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Population & demographics
All demographic data for Arnara: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Arnara.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Arnara.
Arnara is a small municipality in the province of Frosinone, Lazio region. With a population of 2136 inhabitants and a density of 176 per km², it covers an area of 12.2 km². The average declared income is 18.642 €.
Arnara in numbers: the analysis
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), Arnara is a markedly smaller centre.
Among the 91 municipalities of the province of Frosinone, Arnara ranks 52 by population.
The census record tells a story of long decline: in 1951 Arnara had 2,871 inhabitants; today (2026) it has 2,136 — 25.6% fewer.
The ageing index is one of the starkest signals: in Arnara there are 291 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,815 inhabitants for Arnara: an expected decline of 15% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2240 |
| 2020 | 2254 |
| 2021 | 2222 |
| 2022 | 2199 |
| 2023 | 2199 |
| 2024 | 2199 |
| 2025 | 2149 |
| 2026 | 2136 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1037 | 48.5% |
| Women | 1099 | 51.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 9 |
| 2022 | 13 |
| 2023 | 14 |
| 2024 | 13 |
| 2025 | 11 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2871 |
| 1961 | 2707 |
| 1971 | 2347 |
| 1981 | 2469 |
| 1991 | 2515 |
| 2001 | 2454 |
| 2011 | 2379 |
| 2019 | 2240 |
| 2020 | 2254 |
| 2021 | 2222 |
| 2022 | 2199 |
| 2023 | 2199 |
| 2024 | 2199 |
| 2025 | 2149 |
| 2026 | 2136 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1750 | 40.7% |
| Married | 2074 | 48.3% |
| Divorced | 74 | 1.7% |
| Widowed | 400 | 9.3% |
School-Age Population (2026)
Total 0-18 years: 294
| Valore | |
|---|---|
| Nido (0-2) | 36 |
| Infanzia (3-5) | 33 |
| Primaria (6-10) | 71 |
| Medie (11-13) | 53 |
| Superiori (14-18) | 101 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Arnara population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/arnara-060009" title="Population pyramid of Arnara — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/arnara-060009" alt="Population pyramid of Arnara — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>