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Population & demographics
All demographic data for Bagnoli del Trigno: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Bagnoli del Trigno.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Bagnoli del Trigno.
Bagnoli del Trigno is a small municipality in the province of Isernia, Molise region. With a population of 607 inhabitants and a density of 16 per km², it covers an area of 37.0 km². The average declared income is 14.885 €.
Bagnoli del Trigno in numbers: the analysis
Compared with the provincial average of Isernia (about 1,504 residents per municipality), Bagnoli del Trigno is a markedly smaller centre.
Among the 52 municipalities of the province of Isernia, Bagnoli del Trigno ranks 31 by population.
The census record tells a story of long decline: in 1951 Bagnoli del Trigno had 3,532 inhabitants; today (2026) it has 607 — 82.8% fewer.
The ageing index is one of the starkest signals: in Bagnoli del Trigno there are 278 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 395 inhabitants for Bagnoli del Trigno: an expected decline of 34.9% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 688 |
| 2020 | 678 |
| 2021 | 665 |
| 2022 | 649 |
| 2023 | 636 |
| 2024 | 621 |
| 2025 | 610 |
| 2026 | 607 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 320 | 52.7% |
| Women | 287 | 47.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 0 |
| 2024 | 3 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3532 |
| 1961 | 2727 |
| 1971 | 1866 |
| 1981 | 1388 |
| 1991 | 1131 |
| 2001 | 877 |
| 2011 | 772 |
| 2019 | 688 |
| 2020 | 678 |
| 2021 | 665 |
| 2022 | 649 |
| 2023 | 636 |
| 2024 | 621 |
| 2025 | 610 |
| 2026 | 607 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 466 | 38.2% |
| Married | 616 | 50.5% |
| Divorced | 26 | 2.1% |
| Widowed | 112 | 9.2% |
School-Age Population (2026)
Total 0-18 years: 90
| Valore | |
|---|---|
| Nido (0-2) | 6 |
| Infanzia (3-5) | 17 |
| Primaria (6-10) | 31 |
| Medie (11-13) | 18 |
| Superiori (14-18) | 18 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Bagnoli del Trigno population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/bagnoli-del-trigno-094003" title="Population pyramid of Bagnoli del Trigno — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/bagnoli-del-trigno-094003" alt="Population pyramid of Bagnoli del Trigno — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>