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Population & demographics
All demographic data for Casalduni: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Casalduni.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Casalduni.
Casalduni is a small municipality in the province of Benevento, Campania region. With a population of 1176 inhabitants and a density of 50 per km², it covers an area of 23.3 km². The average declared income is 15.433 €.
Casalduni in numbers: the analysis
The census record tells a story of long decline: in 1951 Casalduni had 2,765 inhabitants; today (2026) it has 1,176 — 57.5% fewer.
The ageing index is one of the starkest signals: in Casalduni there are 256 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 823 inhabitants for Casalduni: an expected decline of 30% from today.
Compared with the provincial average of Benevento (about 3,307 residents per municipality), Casalduni is a markedly smaller centre.
Among the 78 municipalities of the province of Benevento, Casalduni ranks 63 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1305 |
| 2020 | 1293 |
| 2021 | 1242 |
| 2022 | 1238 |
| 2023 | 1210 |
| 2024 | 1179 |
| 2025 | 1185 |
| 2026 | 1176 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 602 | 51.2% |
| Women | 574 | 48.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 9 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2765 |
| 1961 | 2269 |
| 1971 | 1660 |
| 1981 | 1653 |
| 1991 | 1595 |
| 2001 | 1602 |
| 2011 | 1474 |
| 2019 | 1305 |
| 2020 | 1293 |
| 2021 | 1242 |
| 2022 | 1238 |
| 2023 | 1210 |
| 2024 | 1179 |
| 2025 | 1185 |
| 2026 | 1176 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 942 | 39.7% |
| Married | 1194 | 50.4% |
| Divorced | 24 | 1.0% |
| Widowed | 210 | 8.9% |
School-Age Population (2026)
Total 0-18 years: 176
| Valore | |
|---|---|
| Nido (0-2) | 29 |
| Infanzia (3-5) | 17 |
| Primaria (6-10) | 45 |
| Medie (11-13) | 30 |
| Superiori (14-18) | 55 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Casalduni population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/casalduni-062015" title="Population pyramid of Casalduni — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/casalduni-062015" alt="Population pyramid of Casalduni — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>