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Population & demographics
All demographic data for Aggius: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Aggius.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Aggius.
Aggius is a small municipality in the province of Sassari, Sardegna region. With a population of 1378 inhabitants and a density of 16 per km², it covers an area of 86.5 km². The average declared income is 19.342 €.
Aggius in numbers: the analysis
Demographic projections to 2050 estimate about 1,109 inhabitants for Aggius: an expected decline of 19.5% from today.
The ageing index is one of the starkest signals: in Aggius there are 326 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 2019 Aggius had 1,468 inhabitants; today (2026) it has 1,378 — 6.1% fewer.
Among the 92 municipalities of the province of Sassari, Aggius ranks 55 by population.
Compared with the provincial average of Sassari (about 5,115 residents per municipality), Aggius is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1468 |
| 2020 | 1440 |
| 2021 | 1409 |
| 2022 | 1405 |
| 2023 | 1411 |
| 2024 | 1411 |
| 2025 | 1403 |
| 2026 | 1378 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 659 | 47.8% |
| Women | 719 | 52.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 9 |
| 2025 | 6 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 2019 | 1468 |
| 2020 | 1440 |
| 2021 | 1409 |
| 2022 | 1405 |
| 2023 | 1411 |
| 2024 | 1411 |
| 2025 | 1403 |
| 2026 | 1378 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1270 | 45.3% |
| Married | 1198 | 42.7% |
| Divorced | 66 | 2.4% |
| Widowed | 272 | 9.7% |
School-Age Population (2026)
Total 0-18 years: 180
| Valore | |
|---|---|
| Nido (0-2) | 25 |
| Infanzia (3-5) | 23 |
| Primaria (6-10) | 36 |
| Medie (11-13) | 36 |
| Superiori (14-18) | 60 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Aggius population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/aggius-090001" title="Population pyramid of Aggius — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/aggius-090001" alt="Population pyramid of Aggius — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>