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  1. Home
  2. Piemonte
  3. Alessandria
  4. 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 52.2 km². The average declared income is 25.611 €.

PiemonteAlessandria

Voltaggio

ISTAT Code: 006190

44.6201°N, 8.8427°E

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649
Inhabitants
12
Inhabitants/km²
25.611 €
Average Income
20.84 µg/m³
PM2.5
1,9%
Land Consumption
52.2 km²
Area

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Population Trend

Male/Female Ratio

649Totale
Men
Women

Demographic Statistics

Men311
Women338
Year2026

Demographic Indices

-1.37%
Annual change
change from the previous year
410.7
Ageing index
65+ / 0-14 × 100
78.8
Dependency ratio
(0-14 + 65+) / 15-64 × 100
200
Workforce replacement
60-64 / 15-19 × 100
215.7
Workforce structure
40-64 / 15-39 × 100
13.7
Child dependency
0-4 / women 15-49 × 100
53
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

1316Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 75

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
36
Foreign-resident share: 5.47%
Main citizenships
Romania10
Tunisia4
Ecuador3
Marocco3
Sri Lanka3

Municipalities in the same province

Acqui Terme

Alessandria, Piemonte

Albera Ligure

Alessandria, Piemonte

Alessandria

Alessandria, Piemonte

Alfiano Natta

Alessandria, Piemonte

Alice Bel Colle

Alessandria, Piemonte

Municipalities in the same region

Acceglio

Cuneo, Piemonte

Acqui Terme

Alessandria, Piemonte

Agliano Terme

Asti, Piemonte

Agliè

Torino, Piemonte

Agrate Conturbia

Novara, Piemonte

Ailoche

Biella, Piemonte

Municipalities with similar population

Premeno

775 · Verbano-Cusio-Ossola, Piemonte

Lenta

772 · Vercelli, Piemonte

Bee

772 · Verbano-Cusio-Ossola, Piemonte

Borgomasino

768 · Torino, Piemonte

Costanzana

764 · Vercelli, Piemonte

Lozzolo

762 · Vercelli, Piemonte

Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025