Voltaggio: 649 inhabitants (2026)
ISTAT Code: 006190
44.6201°N, 8.8427°E
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Population & demographics
All demographic data for Voltaggio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Voltaggio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Voltaggio.
Voltaggio is a small municipality in the province of Alessandria, Piemonte region. With a population of 649 inhabitants and a density of 12 per km², it covers an area of 52.6 km². The average declared income is 25.611 €.
Voltaggio in numbers: the analysis
The census record tells a story of long decline: in 1951 Voltaggio had 1,558 inhabitants; today (2026) it has 649 — 58.3% fewer.
The ageing index is one of the starkest signals: in Voltaggio there are 411 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 477 inhabitants for Voltaggio: an expected decline of 26.5% from today.
Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Voltaggio is a markedly smaller centre.
Among the 187 municipalities of the province of Alessandria, Voltaggio ranks 97 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 710 |
| 2020 | 710 |
| 2021 | 671 |
| 2022 | 667 |
| 2023 | 656 |
| 2024 | 652 |
| 2025 | 658 |
| 2026 | 649 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 311 | 47.9% |
| Women | 338 | 52.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1558 |
| 1961 | 1308 |
| 1971 | 1088 |
| 1981 | 898 |
| 1991 | 815 |
| 2001 | 770 |
| 2011 | 759 |
| 2019 | 710 |
| 2020 | 710 |
| 2021 | 671 |
| 2022 | 667 |
| 2023 | 656 |
| 2024 | 652 |
| 2025 | 658 |
| 2026 | 649 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 512 | 38.9% |
| Married | 614 | 46.7% |
| Divorced | 74 | 5.6% |
| Widowed | 116 | 8.8% |
School-Age Population (2026)
Total 0-18 years: 75
| Valore | |
|---|---|
| Nido (0-2) | 4 |
| Infanzia (3-5) | 12 |
| Primaria (6-10) | 18 |
| Medie (11-13) | 16 |
| Superiori (14-18) | 25 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Voltaggio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/voltaggio-006190" title="Population pyramid of Voltaggio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/voltaggio-006190" alt="Population pyramid of Voltaggio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>