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Population & demographics
All demographic data for Cassaro: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Cassaro.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Cassaro.
Cassaro is a small municipality in the province of Siracusa, Sicilia region. With a population of 721 inhabitants and a density of 37 per km², it covers an area of 19,6 km². The average declared income is 18.604 €.
Cassaro in numbers: the analysis
The census record tells a story of long decline: in 1951 Cassaro had 1,860 inhabitants; today (2026) it has 721 — 61.2% fewer.
The ageing index is one of the starkest signals: in Cassaro there are 348 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 596 inhabitants for Cassaro: an expected decline of 17.3% from today.
Compared with the provincial average of Siracusa (about 18,212 residents per municipality), Cassaro is a markedly smaller centre.
Among the 21 municipalities of the province of Siracusa, Cassaro ranks 21 by population.
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: 84
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Cassaro population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/cassaro-089007" title="Population pyramid of Cassaro — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/cassaro-089007" alt="Population pyramid of Cassaro — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>