Siena · Toscana
Population of Piancastagnaio
Data updated to year 2026
Population
3839
inhabitants
Annual change
-10
people
Density
N/D
inh./km²
Area
N/D
km²
Natural and migratory movement (2025)
Live births
20
Deaths
61
Natural balance
-41
Migration balance
+11
Historical population trend
| Year | Total | Males | Females | Births | Deaths | Nat. bal. | Migr. bal. |
|---|---|---|---|---|---|---|---|
| 2019 | 4127 | 1997 | 2130 | 25 | 63 | -38 | -10 |
| 2020 | 4094 | 1985 | 2109 | 31 | 68 | -37 | +11 |
| 2021 | 4016 | 1956 | 2060 | 29 | 68 | -39 | -10 |
| 2022 | 3968 | 1927 | 2041 | 19 | 61 | -42 | -17 |
| 2023 | 3882 | 1879 | 2003 | 20 | 60 | -40 | -2 |
| 2024 | 3867 | 1879 | 1988 | 18 | 50 | -32 | -10 |
| 2025 | 3849 | 1869 | 1980 | 20 | 61 | -41 | +11 |
| 2026 | 3839 | 1867 | 1972 | 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.