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Population & demographics
All demographic data for Castel Frentano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castel Frentano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castel Frentano.
Castel Frentano is a small municipality in the province of Chieti, Abruzzo region. With a population of 4181 inhabitants and a density of 190 per km², it covers an area of 21.9 km². The average declared income is 19.739 €.
Castel Frentano in numbers: the analysis
The census record tells a story of long decline: in 1951 Castel Frentano had 5,369 inhabitants; today (2026) it has 4,181 — 22.1% fewer.
The generational balance is in line with the norm: the ageing index of Castel Frentano is 207 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 3,831 inhabitants for Castel Frentano: an expected decline of 8.4% from today.
Among the 104 municipalities of the province of Chieti, Castel Frentano ranks 18 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 4289 |
| 2020 | 4295 |
| 2021 | 4268 |
| 2022 | 4262 |
| 2023 | 4275 |
| 2024 | 4256 |
| 2025 | 4198 |
| 2026 | 4181 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2045 | 48.9% |
| Women | 2136 | 51.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 32 |
| 2022 | 26 |
| 2023 | 20 |
| 2024 | 24 |
| 2025 | 33 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5369 |
| 1961 | 4907 |
| 1971 | 3885 |
| 1981 | 3841 |
| 1991 | 3917 |
| 2001 | 3913 |
| 2011 | 4311 |
| 2019 | 4289 |
| 2020 | 4295 |
| 2021 | 4268 |
| 2022 | 4262 |
| 2023 | 4275 |
| 2024 | 4256 |
| 2025 | 4198 |
| 2026 | 4181 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3582 | 42.7% |
| Married | 3854 | 45.9% |
| Divorced | 304 | 3.6% |
| Widowed | 656 | 7.8% |
School-Age Population (2026)
Total 0-18 years: 685
| Valore | |
|---|---|
| Nido (0-2) | 83 |
| Infanzia (3-5) | 76 |
| Primaria (6-10) | 179 |
| Medie (11-13) | 118 |
| Superiori (14-18) | 229 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castel Frentano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castel-frentano-069018" title="Population pyramid of Castel Frentano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castel-frentano-069018" alt="Population pyramid of Castel Frentano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>