3.4k
Inhabitants
15.360 €
Average Income
12.2 µg/m³
PM2.5
5,6%
Land Consumption
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Population & demographics
All demographic data for Colliano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Colliano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Colliano.
Population Trend
Male/Female Ratio
3387Totale
Men
Women
Demographic Statistics
Men1661
Women1726
Year2026
Demographic Indices
-0.5%
Annual change
change from the previous year
176.8
Ageing index
65+ / 0-14 × 100
58.8
Dependency ratio
(0-14 + 65+) / 15-64 × 100
179.9
Workforce replacement
60-64 / 15-19 × 100
129.8
Workforce structure
40-64 / 15-39 × 100
23.2
Child dependency
0-4 / women 15-49 × 100
45.18
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: 564
Foreign residents
Foreign presence and top citizenships
Foreign residents
53
Foreign-resident share: 1.56%
Main citizenships
Romania19
Marocco12
Ucraina9
Bulgaria4
Senegal2
Municipalities in the same province
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025