Avellino · Campania
Population of Ariano Irpino
Data updated to year 2026
Population
20.657
inhabitants
Annual change
-84
people
Density
N/D
inh./km²
Area
N/D
km²
Natural and migratory movement (2025)
Live births
100
Deaths
218
Natural balance
-118
Migration balance
+3
Historical population trend
| Year | Total | Males | Females | Births | Deaths | Nat. bal. | Migr. bal. |
|---|---|---|---|---|---|---|---|
| 2019 | 21.756 | 10.692 | 11.064 | 132 | 273 | -141 | -36 |
| 2020 | 21.497 | 10.531 | 10.966 | 136 | 309 | -173 | -103 |
| 2021 | 21.422 | 10.464 | 10.958 | 129 | 266 | -137 | -58 |
| 2022 | 21.240 | 10.378 | 10.862 | 117 | 269 | -152 | -64 |
| 2023 | 21.057 | 10.279 | 10.778 | 134 | 248 | -114 | -98 |
| 2024 | 20.889 | 10.196 | 10.693 | 113 | 265 | -152 | -72 |
| 2025 | 20.741 | 10.116 | 10.625 | 100 | 218 | -118 | +3 |
| 2026 | 20.657 | 10.090 | 10.567 | N/D | N/D | N/D | N/D |
Note: population data and demographic movements (births, deaths, balances) come from separate ISTAT sources. Annual totals may not exactly match the sum of balances.