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Regional income ranking
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Population & demographics
All demographic data for San Marzano sul Sarno: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Marzano sul Sarno.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Marzano sul Sarno.
Population Trend
Male/Female Ratio
Demographic Statistics
Demographic Indices
Births (recent years)
Historical Population (1951-present)
Marital Status (2026)
School-Age Population (2026)
Total 0-18 years: 1959
Foreign residents
Foreign presence and top citizenships