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Population & demographics
All demographic data for Bagnoregio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Bagnoregio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Bagnoregio.
Bagnoregio is a small municipality in the province of Viterbo, Lazio region. With a population of 3258 inhabitants and a density of 45 per km², it covers an area of 72,8 km². The average declared income is 20.634 €.
Bagnoregio in numbers: the analysis
Compared with the provincial average of Viterbo (about 5,130 residents per municipality), Bagnoregio is a markedly smaller centre.
Among the 60 municipalities of the province of Viterbo, Bagnoregio ranks 26 by population.
The census record tells a story of long decline: in 1951 Bagnoregio had 4,986 inhabitants; today (2026) it has 3,258 — 34.7% fewer.
The ageing index is one of the starkest signals: in Bagnoregio there are 370 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 2,463 inhabitants for Bagnoregio: an expected decline of 24.4% from today.
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: 377
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Bagnoregio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/bagnoregio-056003" title="Population pyramid of Bagnoregio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/bagnoregio-056003" alt="Population pyramid of Bagnoregio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>