Sondrio · Lombardia
Data updated to year 2026
Population
21.495
inhabitants
Annual change
+164
people
Density
1029
inh./km²
Area
20,9
km²
Live births
116
Deaths
295
Natural balance
-179
Migration balance
+110
| Year | Total | Males | Females | Births | Deaths | Nat. bal. | Migr. bal. |
|---|---|---|---|---|---|---|---|
| 2019 | 21.589 | 10.089 | 11.500 | 156 | 301 | -145 | +87 |
| 2020 | 21.477 | 10.062 | 11.415 | 112 | 310 | -198 | +101 |
| 2021 | 21.202 | 9944 | 11.258 | 135 | 274 | -139 | +111 |
| 2022 | 21.192 | 9967 |
| 11.225 |
| 136 |
| 296 |
| -160 |
| +77 |
| 2023 | 21.130 | 9975 | 11.155 | 122 | 256 | -134 | +121 |
| 2024 | 21.297 | 10.061 | 11.236 | 116 | 295 | -179 | +110 |
| 2025 | 21.331 | 10.094 | 11.237 | N/D | N/D | N/D | N/D |
| 2026 | 21.495 | 10.222 | 11.273 | 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.