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Population & demographics
All demographic data for Ossi: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ossi.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Ossi.
Ossi is a medium-sized municipality in the province of Sassari, Sardegna region. With a population of 5344 inhabitants and a density of 176 per km², it covers an area of 30.4 km². The average declared income is 18.520 €.
Ossi in numbers: the analysis
The ageing index is one of the starkest signals: in Ossi there are 291 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 4,223 inhabitants for Ossi: an expected decline of 21% from today.
Among the 92 municipalities of the province of Sassari, Ossi ranks 14 by population.
Ossi has grown substantially since 1951: from 4,223 inhabitants then to 5,344 in 2026, an increase of 26.5%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 5724 |
| 2020 | 5639 |
| 2021 | 5529 |
| 2022 | 5513 |
| 2023 | 5474 |
| 2024 | 5438 |
| 2025 | 5401 |
| 2026 | 5344 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2642 | 49.4% |
| Women | 2702 | 50.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 21 |
| 2022 | 28 |
| 2023 | 33 |
| 2024 | 24 |
| 2025 | 18 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4223 |
| 1961 | 4632 |
| 1971 | 4982 |
| 1981 | 5390 |
| 1991 | 5607 |
| 2001 | 5735 |
| 2011 | 5876 |
| 2019 | 5724 |
| 2020 | 5639 |
| 2021 | 5529 |
| 2022 | 5513 |
| 2023 | 5474 |
| 2024 | 5438 |
| 2025 | 5401 |
| 2026 | 5344 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4936 | 45.7% |
| Married | 4728 | 43.8% |
| Divorced | 402 | 3.7% |
| Widowed | 736 | 6.8% |
School-Age Population (2026)
Total 0-18 years: 692
| Valore | |
|---|---|
| Nido (0-2) | 67 |
| Infanzia (3-5) | 86 |
| Primaria (6-10) | 186 |
| Medie (11-13) | 115 |
| Superiori (14-18) | 238 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ossi population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ossi-090051" title="Population pyramid of Ossi — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ossi-090051" alt="Population pyramid of Ossi — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>