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Population & demographics
All demographic data for Corchiano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Corchiano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Corchiano.
Corchiano is a small municipality in the province of Viterbo, Lazio region. With a population of 3531 inhabitants and a density of 107 per km², it covers an area of 33 km². The average declared income is 18.851 €.
Corchiano in numbers: the analysis
Corchiano has grown substantially since 1951: from 2,304 inhabitants then to 3,531 in 2026, an increase of 53.3%.
The generational balance is in line with the norm: the ageing index of Corchiano is 216 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 3,209 inhabitants for Corchiano: an expected decline of 9.1% from today.
Among the 60 municipalities of the province of Viterbo, Corchiano ranks 25 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: 543
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Corchiano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/corchiano-056023" title="Population pyramid of Corchiano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/corchiano-056023" alt="Population pyramid of Corchiano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>