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Population & demographics
All demographic data for San Nicolò d'Arcidano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Nicolò d'Arcidano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Nicolò d'Arcidano.
San Nicolò d'Arcidano is a small municipality in the province of Oristano, Sardegna region. With a population of 2396 inhabitants and a density of 85 per km², it covers an area of 28.1 km². The average declared income is 16.541 €.
San Nicolò d'Arcidano in numbers: the analysis
San Nicolò d'Arcidano has grown substantially since 1951: from 2,119 inhabitants then to 2,396 in 2026, an increase of 13.1%.
The ageing index is one of the starkest signals: in San Nicolò d'Arcidano there are 315 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,882 inhabitants for San Nicolò d'Arcidano: an expected decline of 21.5% from today.
Among the 87 municipalities of the province of Oristano, San Nicolò d'Arcidano ranks 15 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2571 |
| 2020 | 2540 |
| 2021 | 2521 |
| 2022 | 2526 |
| 2023 | 2490 |
| 2024 | 2451 |
| 2025 | 2423 |
| 2026 | 2396 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1185 | 49.5% |
| Women | 1211 | 50.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 19 |
| 2022 | 14 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 18 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2119 |
| 1961 | 2316 |
| 1971 | 2594 |
| 1981 | 2921 |
| 1991 | 2869 |
| 2001 | 2912 |
| 2011 | 2811 |
| 2019 | 2571 |
| 2020 | 2540 |
| 2021 | 2521 |
| 2022 | 2526 |
| 2023 | 2490 |
| 2024 | 2451 |
| 2025 | 2423 |
| 2026 | 2396 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2222 | 45.9% |
| Married | 2068 | 42.7% |
| Divorced | 102 | 2.1% |
| Widowed | 454 | 9.4% |
School-Age Population (2026)
Total 0-18 years: 296
| Valore | |
|---|---|
| Nido (0-2) | 37 |
| Infanzia (3-5) | 47 |
| Primaria (6-10) | 69 |
| Medie (11-13) | 43 |
| Superiori (14-18) | 100 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Nicolò d'Arcidano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-nicolo-d-arcidano-095046" title="Population pyramid of San Nicolò d'Arcidano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-nicolo-d-arcidano-095046" alt="Population pyramid of San Nicolò d'Arcidano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>