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Population & demographics
All demographic data for Zerfaliu: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Zerfaliu.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Zerfaliu.
Zerfaliu is a small municipality in the province of Oristano, Sardegna region. With a population of 979 inhabitants and a density of 63 per km², it covers an area of 15.6 km². The average declared income is 17.111 €.
Zerfaliu in numbers: the analysis
Compared with the provincial average of Oristano (about 1,687 residents per municipality), Zerfaliu is a markedly smaller centre.
Among the 87 municipalities of the province of Oristano, Zerfaliu ranks 38 by population.
Over the long run the population of Zerfaliu has stayed essentially stable: 1,004 inhabitants in 1951, 979 in 2026 (less than 5% change).
The ageing index is one of the starkest signals: in Zerfaliu there are 284 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 823 inhabitants for Zerfaliu: an expected decline of 15.9% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1030 |
| 2020 | 1021 |
| 2021 | 998 |
| 2022 | 1017 |
| 2023 | 1000 |
| 2024 | 980 |
| 2025 | 985 |
| 2026 | 979 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 470 | 48.0% |
| Women | 509 | 52.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 9 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 7 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1004 |
| 1961 | 1089 |
| 1971 | 1125 |
| 1981 | 1152 |
| 1991 | 1196 |
| 2001 | 1157 |
| 2011 | 1172 |
| 2019 | 1030 |
| 2020 | 1021 |
| 2021 | 998 |
| 2022 | 1017 |
| 2023 | 1000 |
| 2024 | 980 |
| 2025 | 985 |
| 2026 | 979 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 876 | 44.5% |
| Married | 888 | 45.1% |
| Divorced | 34 | 1.7% |
| Widowed | 172 | 8.7% |
School-Age Population (2026)
Total 0-18 years: 131
| Valore | |
|---|---|
| Nido (0-2) | 19 |
| Infanzia (3-5) | 18 |
| Primaria (6-10) | 29 |
| Medie (11-13) | 21 |
| Superiori (14-18) | 44 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Zerfaliu population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/zerfaliu-095075" title="Population pyramid of Zerfaliu — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/zerfaliu-095075" alt="Population pyramid of Zerfaliu — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>