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Population & demographics
All demographic data for Chiauci: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Chiauci.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Chiauci.
Chiauci is a small municipality in the province of Isernia, Molise region. With a population of 189 inhabitants and a density of 12 per km², it covers an area of 15.8 km². The average declared income is 17.633 €.
Chiauci in numbers: the analysis
Compared with the provincial average of Isernia (about 1,504 residents per municipality), Chiauci is a markedly smaller centre.
Among the 52 municipalities of the province of Isernia, Chiauci ranks 49 by population.
The census record tells a story of long decline: in 1951 Chiauci had 766 inhabitants; today (2026) it has 189 — 75.3% fewer.
The ageing index is one of the starkest signals: in Chiauci there are 567 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 132 inhabitants for Chiauci: an expected decline of 30.2% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 210 |
| 2020 | 204 |
| 2021 | 204 |
| 2022 | 206 |
| 2023 | 198 |
| 2024 | 198 |
| 2025 | 193 |
| 2026 | 189 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 103 | 54.5% |
| Women | 86 | 45.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 0 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 766 |
| 1961 | 697 |
| 1971 | 433 |
| 1981 | 363 |
| 1991 | 337 |
| 2001 | 277 |
| 2011 | 268 |
| 2019 | 210 |
| 2020 | 204 |
| 2021 | 204 |
| 2022 | 206 |
| 2023 | 198 |
| 2024 | 198 |
| 2025 | 193 |
| 2026 | 189 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 164 | 42.5% |
| Married | 182 | 47.2% |
| Divorced | 8 | 2.1% |
| Widowed | 32 | 8.3% |
School-Age Population (2026)
Total 0-18 years: 13
| Valore | |
|---|---|
| Nido (0-2) | 2 |
| Infanzia (3-5) | 5 |
| Primaria (6-10) | 3 |
| Medie (11-13) | 2 |
| Superiori (14-18) | 1 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Chiauci population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/chiauci-094015" title="Population pyramid of Chiauci — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/chiauci-094015" alt="Population pyramid of Chiauci — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>