Viterbo · Lazio
Data updated to year 2026
Population
3258
inhabitants
Annual change
-44
people
Density
45
inh./km²
Area
72,8
km²
Live births
11
Deaths
66
Natural balance
-55
Migration balance
+3
| Year | Total | Males | Females | Births | Deaths | Nat. bal. | Migr. bal. |
|---|---|---|---|---|---|---|---|
| 2019 | 3535 | 1695 | 1840 | 11 | 49 | -38 | -22 |
| 2020 | 3492 | 1671 | 1821 | 15 | 63 | -48 | +15 |
| 2021 | 3501 | 1656 | 1845 | 12 | 49 | -37 | -12 |
| 2022 | 3482 | 1659 | 1823 |
| 27 |
| 71 |
| -44 |
| +12 |
| 2023 | 3395 | 1655 | 1740 | 14 | 58 | -44 | -27 |
| 2024 | 3327 | 1621 | 1706 | 11 | 66 | -55 | +3 |
| 2025 | 3302 | 1625 | 1677 | N/D | N/D | N/D | N/D |
| 2026 | 3258 | 1606 | 1652 | 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.