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Population & demographics
All demographic data for Arborea: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Arborea.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Arborea.
Arborea is a small municipality in the province of Oristano, Sardegna region. With a population of 3701 inhabitants and a density of 39 per km², it covers an area of 94.5 km². The average declared income is 19.354 €.
Arborea in numbers: the analysis
The average municipality in the province of Oristano has about 1,687 residents: Arborea has 2.2 times as many.
By population, Arborea ranks no. 9 among the 87 municipalities of the province of Oristano.
The census record tells a story of long decline: in 1951 Arborea had 4,167 inhabitants; today (2026) it has 3,701 — 11.2% fewer.
The ageing index is one of the starkest signals: in Arborea there are 272 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 3,126 inhabitants for Arborea: an expected decline of 15.5% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 3888 |
| 2020 | 3849 |
| 2021 | 3769 |
| 2022 | 3777 |
| 2023 | 3746 |
| 2024 | 3733 |
| 2025 | 3708 |
| 2026 | 3701 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1843 | 49.8% |
| Women | 1858 | 50.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 31 |
| 2022 | 23 |
| 2023 | 16 |
| 2024 | 15 |
| 2025 | 20 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4167 |
| 1961 | 3488 |
| 1971 | 3088 |
| 1981 | 3390 |
| 1991 | 3785 |
| 2001 | 3927 |
| 2011 | 4048 |
| 2019 | 3888 |
| 2020 | 3849 |
| 2021 | 3769 |
| 2022 | 3777 |
| 2023 | 3746 |
| 2024 | 3733 |
| 2025 | 3708 |
| 2026 | 3701 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3244 | 43.7% |
| Married | 3512 | 47.4% |
| Divorced | 148 | 2.0% |
| Widowed | 512 | 6.9% |
School-Age Population (2026)
Total 0-18 years: 514
| Valore | |
|---|---|
| Nido (0-2) | 53 |
| Infanzia (3-5) | 73 |
| Primaria (6-10) | 138 |
| Medie (11-13) | 76 |
| Superiori (14-18) | 174 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Arborea population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/arborea-095006" title="Population pyramid of Arborea — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/arborea-095006" alt="Population pyramid of Arborea — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>