Ortacesus: 859 inhabitants (2026)
ISTAT Code: 111051
39.5364°N, 9.0856°E
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Population & demographics
All demographic data for Ortacesus: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ortacesus.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Ortacesus.
Ortacesus is a small municipality in the province of Sud Sardegna, Sardegna region. With a population of 859 inhabitants and a density of 36 per km², it covers an area of 23.9 km². The average declared income is 16.880 €.
Ortacesus in numbers: the analysis
The census record tells a story of long decline: in 2019 Ortacesus had 907 inhabitants; today (2026) it has 859 — 5.3% fewer.
Among the 107 municipalities of the province of Sud Sardegna, Ortacesus ranks 85 by population.
Compared with the provincial average of Sud Sardegna (about 3,058 residents per municipality), Ortacesus is a markedly smaller centre.
Demographic projections to 2050 estimate about 713 inhabitants for Ortacesus: an expected decline of 17% from today.
The ageing index is one of the starkest signals: in Ortacesus there are 308 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 907 |
| 2020 | 883 |
| 2021 | 874 |
| 2022 | 883 |
| 2023 | 873 |
| 2024 | 875 |
| 2025 | 866 |
| 2026 | 859 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 445 | 51.8% |
| Women | 414 | 48.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 9 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 2019 | 907 |
| 2020 | 883 |
| 2021 | 874 |
| 2022 | 883 |
| 2023 | 873 |
| 2024 | 875 |
| 2025 | 866 |
| 2026 | 859 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 818 | 47.2% |
| Married | 744 | 43.0% |
| Divorced | 30 | 1.7% |
| Widowed | 140 | 8.1% |
School-Age Population (2026)
Total 0-18 years: 113
| Valore | |
|---|---|
| Nido (0-2) | 12 |
| Infanzia (3-5) | 20 |
| Primaria (6-10) | 30 |
| Medie (11-13) | 19 |
| Superiori (14-18) | 32 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ortacesus population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ortacesus-111051" title="Population pyramid of Ortacesus — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ortacesus-111051" alt="Population pyramid of Ortacesus — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>