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Population & demographics
All demographic data for Illorai: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Illorai.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Illorai.
Illorai is a small municipality in the province of Sassari, Sardegna region. With a population of 698 inhabitants and a density of 12 per km², it covers an area of 56,8 km². The average declared income is 17.521 €.
Illorai in numbers: the analysis
Among the 92 municipalities of the province of Sassari, Illorai ranks 71 by population.
The census record tells a story of long decline: in 1951 Illorai had 2,002 inhabitants; today (2026) it has 698 — 65.1% fewer.
The ageing index is one of the starkest signals: in Illorai there are 435 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 385 inhabitants for Illorai: an expected decline of 44.8% from today.
Compared with the provincial average of Sassari (about 5,115 residents per municipality), Illorai is a markedly smaller centre.
Population Trend
Male/Female Ratio
Demographic Statistics
Demographic Indices
Births (recent years)
Historical Population (1951-present)
Marital Status (2025)
School-Age Population (2026)
Total 0-18 years: 80
Foreign residents
Foreign presence and top citizenships
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Use the Illorai population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/illorai-090031" title="Population pyramid of Illorai — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/illorai-090031" alt="Population pyramid of Illorai — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>