Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Piemonte.
Province page
Open the full profile page for the province of Biella.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Piemonte ranked by average income.
Provincial population ranking
View the municipalities in the province of Biella ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Piatto: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Piatto.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Piatto.
Piatto is a small municipality in the province of Biella, Piemonte region. With a population of 470 inhabitants and a density of 131 per km², it covers an area of 3,6 km². The average declared income is 25.129 €.
Piatto in numbers: the analysis
Demographic projections to 2050 estimate about 362 inhabitants for Piatto: an expected decline of 23% from today.
Compared with the provincial average of Biella (about 2,273 residents per municipality), Piatto is a markedly smaller centre.
Among the 74 municipalities of the province of Biella, Piatto ranks 57 by population.
The census record tells a story of long decline: in 1951 Piatto had 555 inhabitants; today (2026) it has 470 — 15.3% fewer.
The ageing index is one of the starkest signals: in Piatto there are 503 residents over 65 for every 100 under 14, well above the national average.
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: 48
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Piatto population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/piatto-096043" title="Population pyramid of Piatto — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/piatto-096043" alt="Population pyramid of Piatto — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>