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Population & demographics
All demographic data for Sant'Agnello: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Sant'Agnello.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Sant'Agnello.
Sant'Agnello is a medium-sized municipality in the province of Napoli, Campania region. With a population of 8425 inhabitants and a density of 2030 per km², it covers an area of 4,2 km². The average declared income is 24.839 €.
Sant'Agnello in numbers: the analysis
Among the 92 municipalities of the province of Napoli, Sant'Agnello ranks 67 by population.
Sant'Agnello has grown substantially since 1951: from 5,427 inhabitants then to 8,425 in 2026, an increase of 55.2%.
The generational balance is in line with the norm: the ageing index of Sant'Agnello is 195 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 6,693 inhabitants for Sant'Agnello: an expected decline of 20.6% from today.
Compared with the provincial average of Napoli (about 32,118 residents per municipality), Sant'Agnello is a markedly smaller centre.
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: 1403
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Sant'Agnello population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/sant-agnello-063071" title="Population pyramid of Sant'Agnello — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sant-agnello-063071" alt="Population pyramid of Sant'Agnello — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>