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Population & demographics
All demographic data for Castel Giorgio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castel Giorgio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castel Giorgio.
Castel Giorgio is a small municipality in the province of Terni, Umbria region. With a population of 1992 inhabitants and a density of 47 per km², it covers an area of 42,1 km². The average declared income is 19.466 €.
Castel Giorgio in numbers: the analysis
Among the 33 municipalities of the province of Terni, Castel Giorgio ranks 15 by population.
The census record tells a story of long decline: in 1951 Castel Giorgio had 2,854 inhabitants; today (2026) it has 1,992 — 30.2% fewer.
The ageing index is one of the starkest signals: in Castel Giorgio there are 388 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,646 inhabitants for Castel Giorgio: an expected decline of 17.4% from today.
Compared with the provincial average of Terni (about 6,504 residents per municipality), Castel Giorgio 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: 241
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castel Giorgio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castel-giorgio-055009" title="Population pyramid of Castel Giorgio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castel-giorgio-055009" alt="Population pyramid of Castel Giorgio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>