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Population & demographics
All demographic data for Casteltermini: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Casteltermini.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Casteltermini.
Casteltermini is a medium-sized municipality in the province of Agrigento, Sicilia region. With a population of 7035 inhabitants and a density of 71 per km², it covers an area of 99.5 km². The average declared income is 16.978 €.
Casteltermini in numbers: the analysis
The ageing index is one of the starkest signals: in Casteltermini there are 304 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 4,975 inhabitants for Casteltermini: an expected decline of 29.3% from today.
Among the 43 municipalities of the province of Agrigento, Casteltermini ranks 16 by population.
The census record tells a story of long decline: in 1951 Casteltermini had 13,766 inhabitants; today (2026) it has 7,035 — 48.9% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 7783 |
| 2020 | 7670 |
| 2021 | 7473 |
| 2022 | 7384 |
| 2023 | 7295 |
| 2024 | 7217 |
| 2025 | 7126 |
| 2026 | 7035 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3425 | 48.7% |
| Women | 3610 | 51.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 43 |
| 2022 | 44 |
| 2023 | 33 |
| 2024 | 50 |
| 2025 | 26 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 13.766 |
| 1961 | 12.464 |
| 1971 | 10.555 |
| 1981 | 10.380 |
| 1991 | 10.132 |
| 2001 | 8782 |
| 2011 | 8422 |
| 2019 | 7783 |
| 2020 | 7670 |
| 2021 | 7473 |
| 2022 | 7384 |
| 2023 | 7295 |
| 2024 | 7217 |
| 2025 | 7126 |
| 2026 | 7035 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 5446 | 38.2% |
| Married | 7244 | 50.8% |
| Divorced | 276 | 1.9% |
| Widowed | 1286 | 9.0% |
School-Age Population (2026)
Total 0-18 years: 944
| Valore | |
|---|---|
| Nido (0-2) | 113 |
| Infanzia (3-5) | 115 |
| Primaria (6-10) | 204 |
| Medie (11-13) | 170 |
| Superiori (14-18) | 342 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Casteltermini population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/casteltermini-084012" title="Population pyramid of Casteltermini — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/casteltermini-084012" alt="Population pyramid of Casteltermini — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>