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Population & demographics
All demographic data for Petruro Irpino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Petruro Irpino.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Petruro Irpino.
Petruro Irpino is a small municipality in the province of Avellino, Campania region. With a population of 297 inhabitants and a density of 95 per km², it covers an area of 3,1 km². The average declared income is 15.800 €.
Petruro Irpino in numbers: the analysis
Demographic projections to 2050 estimate about 268 inhabitants for Petruro Irpino: an expected decline of 9.8% from today.
Compared with the provincial average of Avellino (about 3,331 residents per municipality), Petruro Irpino is a markedly smaller centre.
Among the 118 municipalities of the province of Avellino, Petruro Irpino ranks 117 by population.
The census record tells a story of long decline: in 1951 Petruro Irpino had 756 inhabitants; today (2026) it has 297 — 60.7% fewer.
The generational balance is in line with the norm: the ageing index of Petruro Irpino is 240 (over-65s per 100 under-14s).
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: 42
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Petruro Irpino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/petruro-irpino-064071" title="Population pyramid of Petruro Irpino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/petruro-irpino-064071" alt="Population pyramid of Petruro Irpino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>