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Population & demographics
All demographic data for Sedini: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Sedini.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Sedini.
Sedini is a small municipality in the province of Sassari, Sardegna region. With a population of 1183 inhabitants and a density of 29 per km², it covers an area of 40.4 km². The average declared income is 16.172 €.
Sedini in numbers: the analysis
The ageing index is one of the starkest signals: in Sedini there are 323 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 784 inhabitants for Sedini: an expected decline of 33.7% from today.
Compared with the provincial average of Sassari (about 5,115 residents per municipality), Sedini is a markedly smaller centre.
Among the 92 municipalities of the province of Sassari, Sedini ranks 60 by population.
The census record tells a story of long decline: in 1951 Sedini had 2,288 inhabitants; today (2026) it has 1,183 — 48.3% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1334 |
| 2020 | 1300 |
| 2021 | 1272 |
| 2022 | 1256 |
| 2023 | 1247 |
| 2024 | 1223 |
| 2025 | 1205 |
| 2026 | 1183 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 573 | 48.4% |
| Women | 610 | 51.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2288 |
| 1961 | 2186 |
| 1971 | 1750 |
| 1981 | 1542 |
| 1991 | 1543 |
| 2001 | 1461 |
| 2011 | 1378 |
| 2019 | 1334 |
| 2020 | 1300 |
| 2021 | 1272 |
| 2022 | 1256 |
| 2023 | 1247 |
| 2024 | 1223 |
| 2025 | 1205 |
| 2026 | 1183 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1046 | 43.4% |
| Married | 1040 | 43.2% |
| Divorced | 84 | 3.5% |
| Widowed | 240 | 10.0% |
School-Age Population (2026)
Total 0-18 years: 147
| Valore | |
|---|---|
| Nido (0-2) | 16 |
| Infanzia (3-5) | 14 |
| Primaria (6-10) | 47 |
| Medie (11-13) | 24 |
| Superiori (14-18) | 46 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Sedini population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/sedini-090065" title="Population pyramid of Sedini — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sedini-090065" alt="Population pyramid of Sedini — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>