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Population & demographics
All demographic data for Sedilo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Sedilo.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Sedilo.
Sedilo is a small municipality in the province of Oristano, Sardegna region. With a population of 1919 inhabitants and a density of 28 per km², it covers an area of 68.6 km². The average declared income is 18.326 €.
Sedilo in numbers: the analysis
Among the 87 municipalities of the province of Oristano, Sedilo ranks 21 by population.
The census record tells a story of long decline: in 1951 Sedilo had 3,255 inhabitants; today (2026) it has 1,919 — 41% fewer.
The ageing index is one of the starkest signals: in Sedilo there are 308 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,495 inhabitants for Sedilo: an expected decline of 22.1% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2064 |
| 2020 | 2051 |
| 2021 | 2018 |
| 2022 | 1995 |
| 2023 | 1955 |
| 2024 | 1934 |
| 2025 | 1930 |
| 2026 | 1919 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 961 | 50.1% |
| Women | 958 | 49.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 14 |
| 2024 | 13 |
| 2025 | 10 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3255 |
| 1961 | 3008 |
| 1971 | 2553 |
| 1981 | 2628 |
| 1991 | 2676 |
| 2001 | 2445 |
| 2011 | 2216 |
| 2019 | 2064 |
| 2020 | 2051 |
| 2021 | 2018 |
| 2022 | 1995 |
| 2023 | 1955 |
| 2024 | 1934 |
| 2025 | 1930 |
| 2026 | 1919 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1866 | 48.3% |
| Married | 1582 | 41.0% |
| Divorced | 46 | 1.2% |
| Widowed | 366 | 9.5% |
School-Age Population (2026)
Total 0-18 years: 253
| Valore | |
|---|---|
| Nido (0-2) | 38 |
| Infanzia (3-5) | 30 |
| Primaria (6-10) | 68 |
| Medie (11-13) | 39 |
| Superiori (14-18) | 78 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Sedilo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/sedilo-095052" title="Population pyramid of Sedilo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sedilo-095052" alt="Population pyramid of Sedilo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>