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Population & demographics
All demographic data for Pornassio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Pornassio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Pornassio.
Pornassio is a small municipality in the province of Imperia, Liguria region. With a population of 682 inhabitants and a density of 25 per km², it covers an area of 27,2 km². The average declared income is 19.541 €.
Pornassio in numbers: the analysis
Among the 66 municipalities of the province of Imperia, Pornassio ranks 34 by population.
The census record tells a story of long decline: in 1951 Pornassio had 1,075 inhabitants; today (2026) it has 682 — 36.6% fewer.
The generational balance is in line with the norm: the ageing index of Pornassio is 208 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Pornassio about 740 inhabitants, up 8.5% from today.
Compared with the provincial average of Imperia (about 3,180 residents per municipality), Pornassio 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: 105
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Pornassio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/pornassio-008046" title="Population pyramid of Pornassio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/pornassio-008046" alt="Population pyramid of Pornassio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>