Zerba: 66 inhabitants (2026)
ISTAT Code: 033047
44.6656°N, 9.2877°E
Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Emilia-Romagna.
Province page
Open the full profile page for the province of Piacenza.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Emilia-Romagna ranked by average income.
Provincial population ranking
View the municipalities in the province of Piacenza ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Zerba: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Zerba.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for 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 24.7 km². The average declared income is 18.550 €.
Zerba in numbers: the analysis
The census record tells a story of long decline: in 1951 Zerba had 699 inhabitants; today (2026) it has 66 — 90.6% fewer.
The ageing index is one of the starkest signals: in Zerba there are 750 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 47 inhabitants for Zerba: an expected decline of 28.8% from today.
Compared with the provincial average of Piacenza (about 6,255 residents per municipality), Zerba is a markedly smaller centre.
Among the 46 municipalities of the province of Piacenza, Zerba ranks 46 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 73 |
| 2020 | 69 |
| 2021 | 70 |
| 2022 | 70 |
| 2023 | 71 |
| 2024 | 72 |
| 2025 | 69 |
| 2026 | 66 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 36 | 54.5% |
| Women | 30 | 45.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 1 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 699 |
| 1961 | 541 |
| 1971 | 339 |
| 1981 | 199 |
| 1991 | 155 |
| 2001 | 140 |
| 2011 | 92 |
| 2019 | 73 |
| 2020 | 69 |
| 2021 | 70 |
| 2022 | 70 |
| 2023 | 71 |
| 2024 | 72 |
| 2025 | 69 |
| 2026 | 66 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 60 | 43.5% |
| Married | 60 | 43.5% |
| Divorced | 6 | 4.3% |
| Widowed | 12 | 8.7% |
School-Age Population (2026)
Total 0-18 years: 4
| Valore | |
|---|---|
| Nido (0-2) | 1 |
| Infanzia (3-5) | 1 |
| Primaria (6-10) | 0 |
| Medie (11-13) | 2 |
| Superiori (14-18) | 0 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Zerba population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/zerba-033047" title="Population pyramid of Zerba — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/zerba-033047" alt="Population pyramid of Zerba — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>