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Population & demographics
All demographic data for Casoli: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Casoli.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Casoli.
Casoli is a medium-sized municipality in the province of Chieti, Abruzzo region. With a population of 5033 inhabitants and a density of 76 per km², it covers an area of 66.5 km². The average declared income is 20.463 €.
Casoli in numbers: the analysis
The ageing index is one of the starkest signals: in Casoli there are 276 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 3,540 inhabitants for Casoli: an expected decline of 29.7% from today.
Among the 104 municipalities of the province of Chieti, Casoli ranks 13 by population.
The census record tells a story of long decline: in 1951 Casoli had 8,134 inhabitants; today (2026) it has 5,033 — 38.1% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 5577 |
| 2020 | 5486 |
| 2021 | 5305 |
| 2022 | 5230 |
| 2023 | 5168 |
| 2024 | 5119 |
| 2025 | 5092 |
| 2026 | 5033 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2499 | 49.7% |
| Women | 2534 | 50.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 25 |
| 2022 | 34 |
| 2023 | 34 |
| 2024 | 20 |
| 2025 | 23 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 8134 |
| 1961 | 7377 |
| 1971 | 6324 |
| 1981 | 6174 |
| 1991 | 6116 |
| 2001 | 5971 |
| 2011 | 5847 |
| 2019 | 5577 |
| 2020 | 5486 |
| 2021 | 5305 |
| 2022 | 5230 |
| 2023 | 5168 |
| 2024 | 5119 |
| 2025 | 5092 |
| 2026 | 5033 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3930 | 38.6% |
| Married | 4992 | 49.0% |
| Divorced | 230 | 2.3% |
| Widowed | 1032 | 10.1% |
School-Age Population (2026)
Total 0-18 years: 717
| Valore | |
|---|---|
| Nido (0-2) | 81 |
| Infanzia (3-5) | 91 |
| Primaria (6-10) | 177 |
| Medie (11-13) | 144 |
| Superiori (14-18) | 224 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Casoli population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/casoli-069017" title="Population pyramid of Casoli — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/casoli-069017" alt="Population pyramid of Casoli — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>