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Population & demographics
All demographic data for Castel di Ieri: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castel di Ieri.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castel di Ieri.
Castel di Ieri is a small municipality in the province of L'Aquila, Abruzzo region. With a population of 273 inhabitants and a density of 14 per km², it covers an area of 18,9 km². The average declared income is 17.585 €.
Castel di Ieri in numbers: the analysis
Demographic projections to 2050 estimate about 187 inhabitants for Castel di Ieri: an expected decline of 31.5% from today.
Compared with the provincial average of L'Aquila (about 2,655 residents per municipality), Castel di Ieri is a markedly smaller centre.
Among the 108 municipalities of the province of L'Aquila, Castel di Ieri ranks 93 by population.
The census record tells a story of long decline: in 1951 Castel di Ieri had 1,100 inhabitants; today (2026) it has 273 — 75.2% fewer.
The ageing index is one of the starkest signals: in Castel di Ieri there are 572 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: 21
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castel di Ieri population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castel-di-ieri-066027" title="Population pyramid of Castel di Ieri — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castel-di-ieri-066027" alt="Population pyramid of Castel di Ieri — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>