311
Inhabitants
19.318 €
Average Income
13.79 µg/m³
PM2.5
7,9%
Land Consumption
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Population & demographics
All demographic data for Marzio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Marzio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Marzio.
Population Trend
Male/Female Ratio
311Totale
Men
Women
Demographic Statistics
Men166
Women145
Year2026
Demographic Indices
-0.64%
Annual change
change from the previous year
245.9
Ageing index
65+ / 0-14 × 100
69.9
Dependency ratio
(0-14 + 65+) / 15-64 × 100
300
Workforce replacement
60-64 / 15-19 × 100
137.7
Workforce structure
40-64 / 15-39 × 100
26
Child dependency
0-4 / women 15-49 × 100
48.29
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: 43
Foreign residents
Foreign presence and top citizenships
Foreign residents
23
Foreign-resident share: 7.35%
Main citizenships
Ucraina9
Romania6
Moldova2
Albania1
Bangladesh1
Municipalities in the same province
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025