Collinas: 741 inhabitants (2026)
ISTAT Code: 111012
39.6409°N, 8.8369°E
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Population & demographics
All demographic data for Collinas: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Collinas.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Collinas.
Collinas is a small municipality in the province of Sud Sardegna, Sardegna region. With a population of 741 inhabitants and a density of 36 per km², it covers an area of 20.6 km². The average declared income is 15.652 €.
Collinas in numbers: the analysis
The ageing index is one of the starkest signals: in Collinas there are 512 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 2019 Collinas had 807 inhabitants; today (2026) it has 741 — 8.2% fewer.
Among the 107 municipalities of the province of Sud Sardegna, Collinas ranks 91 by population.
Compared with the provincial average of Sud Sardegna (about 3,058 residents per municipality), Collinas is a markedly smaller centre.
Demographic projections to 2050 estimate about 553 inhabitants for Collinas: an expected decline of 25.4% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 807 |
| 2020 | 799 |
| 2021 | 796 |
| 2022 | 781 |
| 2023 | 775 |
| 2024 | 755 |
| 2025 | 756 |
| 2026 | 741 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 362 | 48.9% |
| Women | 379 | 51.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 2019 | 807 |
| 2020 | 799 |
| 2021 | 796 |
| 2022 | 781 |
| 2023 | 775 |
| 2024 | 755 |
| 2025 | 756 |
| 2026 | 741 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 728 | 48.1% |
| Married | 574 | 38.0% |
| Divorced | 26 | 1.7% |
| Widowed | 184 | 12.2% |
School-Age Population (2026)
Total 0-18 years: 74
| Valore | |
|---|---|
| Nido (0-2) | 4 |
| Infanzia (3-5) | 10 |
| Primaria (6-10) | 15 |
| Medie (11-13) | 16 |
| Superiori (14-18) | 29 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Collinas population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/collinas-111012" title="Population pyramid of Collinas — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/collinas-111012" alt="Population pyramid of Collinas — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>