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Population & demographics
All demographic data for Colli a Volturno: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Colli a Volturno.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Colli a Volturno.
Colli a Volturno is a small municipality in the province of Isernia, Molise region. With a population of 1253 inhabitants and a density of 50 per km², it covers an area of 25.2 km². The average declared income is 20.061 €.
Colli a Volturno in numbers: the analysis
Among the 52 municipalities of the province of Isernia, Colli a Volturno ranks 14 by population.
The census record tells a story of long decline: in 1951 Colli a Volturno had 2,080 inhabitants; today (2026) it has 1,253 — 39.8% fewer.
The ageing index is one of the starkest signals: in Colli a Volturno there are 250 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 995 inhabitants for Colli a Volturno: an expected decline of 20.6% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1340 |
| 2020 | 1327 |
| 2021 | 1291 |
| 2022 | 1271 |
| 2023 | 1268 |
| 2024 | 1265 |
| 2025 | 1269 |
| 2026 | 1253 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 630 | 50.3% |
| Women | 623 | 49.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 5 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2080 |
| 1961 | 1981 |
| 1971 | 1538 |
| 1981 | 1350 |
| 1991 | 1374 |
| 2001 | 1407 |
| 2011 | 1382 |
| 2019 | 1340 |
| 2020 | 1327 |
| 2021 | 1291 |
| 2022 | 1271 |
| 2023 | 1268 |
| 2024 | 1265 |
| 2025 | 1269 |
| 2026 | 1253 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1066 | 42.0% |
| Married | 1224 | 48.2% |
| Divorced | 52 | 2.0% |
| Widowed | 196 | 7.7% |
School-Age Population (2026)
Total 0-18 years: 174
| Valore | |
|---|---|
| Nido (0-2) | 17 |
| Infanzia (3-5) | 25 |
| Primaria (6-10) | 45 |
| Medie (11-13) | 22 |
| Superiori (14-18) | 65 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Colli a Volturno population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/colli-a-volturno-094017" title="Population pyramid of Colli a Volturno — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/colli-a-volturno-094017" alt="Population pyramid of Colli a Volturno — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>