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  1. Home
  2. Emilia-Romagna
  3. Piacenza
  4. Zerba

Zerba is a small municipality in the province of Piacenza, Emilia-Romagna region. With a population of 66 inhabitants and a density of 3 per km², it covers an area of 24.1 km². The average declared income is 18.550 €.

Emilia-RomagnaPiacenza

Zerba

ISTAT Code: 033047

44.6656°N, 9.2877°E

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66
Inhabitants
3
Inhabitants/km²
18.550 €
Average Income
13.79 µg/m³
PM2.5
2,8%
Land Consumption
24.1 km²
Area

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Population Trend

Male/Female Ratio

66Totale
Men
Women

Demographic Statistics

Men36
Women30
Year2026

Demographic Indices

-4.35%
Annual change
change from the previous year
750
Ageing index
65+ / 0-14 × 100
106.3
Dependency ratio
(0-14 + 65+) / 15-64 × 100
300
Workforce structure
40-64 / 15-39 × 100
33.3
Child dependency
0-4 / women 15-49 × 100
59.3
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2025)

138Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 4

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
4
Foreign-resident share: 5.8%
Main citizenships
Argentina1
Germania1
Mozambico1
Romania1

Municipalities in the same province

Agazzano

Piacenza, Emilia-Romagna

Alseno

Piacenza, Emilia-Romagna

Alta Val Tidone

Piacenza, Emilia-Romagna

Besenzone

Piacenza, Emilia-Romagna

Bettola

Piacenza, Emilia-Romagna

Municipalities in the same region

Agazzano

Piacenza, Emilia-Romagna

Albareto

Parma, Emilia-Romagna

Albinea

Reggio nell'Emilia, Emilia-Romagna

Alfonsine

Ravenna, Emilia-Romagna

Alseno

Piacenza, Emilia-Romagna

Alta Val Tidone

Piacenza, Emilia-Romagna

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