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Population & demographics
All demographic data for Tonco: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Tonco.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Tonco.
Tonco is a small municipality in the province of Asti, Piemonte region. With a population of 762 inhabitants and a density of 65 per km², it covers an area of 11,8 km². The average declared income is 22.151 €.
Tonco in numbers: the analysis
The census record tells a story of long decline: in 1951 Tonco had 1,329 inhabitants; today (2026) it has 762 — 42.7% fewer.
The ageing index is one of the starkest signals: in Tonco there are 337 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 623 inhabitants for Tonco: an expected decline of 18.2% from today.
Compared with the provincial average of Asti (about 1,770 residents per municipality), Tonco is a markedly smaller centre.
Among the 117 municipalities of the province of Asti, Tonco ranks 51 by population.
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: 87
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Tonco population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/tonco-005109" title="Population pyramid of Tonco — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/tonco-005109" alt="Population pyramid of Tonco — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>