Viterbo · Lazio
Data updated to year 2026
Population
4789
inhabitants
Annual change
+30
people
Density
448
inh./km²
Area
10,7
km²
Live births
29
Deaths
46
Natural balance
-17
Migration balance
-4
| Year | Total | Males | Females | Births | Deaths | Nat. bal. | Migr. bal. |
|---|---|---|---|---|---|---|---|
| 2019 | 4485 | 2219 | 2266 | 36 | 40 | -4 | +75 |
| 2020 | 4574 | 2267 | 2307 | 33 | 25 | +8 | +62 |
| 2021 | 4729 | 2343 | 2386 | 33 | 39 | -6 | +13 |
| 2022 | 4775 | 2370 |
| 2405 |
| 29 |
| 34 |
| -5 |
| +23 |
| 2023 | 4811 | 2393 | 2418 | 28 | 53 | -25 | -17 |
| 2024 | 4759 | 2376 | 2383 | 29 | 46 | -17 | -4 |
| 2025 | 4759 | 2373 | 2386 | N/D | N/D | N/D | N/D |
| 2026 | 4789 | 2387 | 2402 | 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.