9.2k
Inhabitants
19.571 €
Average Income
12.2 µg/m³
PM2.5
16,7%
Land Consumption
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Population & demographics
All demographic data for Siano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Siano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Siano.
Population Trend
Male/Female Ratio
9226Totale
Men
Women
Demographic Statistics
Men4545
Women4681
Year2026
Demographic Indices
-0.6%
Annual change
change from the previous year
183
Ageing index
65+ / 0-14 × 100
55.4
Dependency ratio
(0-14 + 65+) / 15-64 × 100
150.9
Workforce replacement
60-64 / 15-19 × 100
130.7
Workforce structure
40-64 / 15-39 × 100
18.6
Child dependency
0-4 / women 15-49 × 100
44.83
Average age
weighted average age
Births (recent years)
Historical Population (1951-present)
Marital Status (2026)
0Totale
Single
Married
Divorced
Widowed
School-Age Population (2026)
Total 0-18 years: 1554
Foreign residents
Foreign presence and top citizenships
Foreign residents
215
Foreign-resident share: 2.32%
Main citizenships
Romania79
Ucraina57
Marocco28
Pakistan11
Polonia6
Municipalities in the same province
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025