San Pietro in Cerro: 739 inhabitants (2026)
ISTAT Code: 033041
45.0213°N, 9.9514°E
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Population & demographics
All demographic data for San Pietro in Cerro: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Pietro in Cerro.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Pietro in Cerro.
San Pietro in Cerro is a small municipality in the province of Piacenza, Emilia-Romagna region. With a population of 739 inhabitants and a density of 27 per km², it covers an area of 27.4 km². The average declared income is 22.948 €.
San Pietro in Cerro in numbers: the analysis
The ageing index is one of the starkest signals: in San Pietro in Cerro there are 308 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 488 inhabitants for San Pietro in Cerro: an expected decline of 34% from today.
Compared with the provincial average of Piacenza (about 6,255 residents per municipality), San Pietro in Cerro is a markedly smaller centre.
Among the 46 municipalities of the province of Piacenza, San Pietro in Cerro ranks 41 by population.
The census record tells a story of long decline: in 1951 San Pietro in Cerro had 2,320 inhabitants; today (2026) it has 739 — 68.1% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 834 |
| 2020 | 834 |
| 2021 | 808 |
| 2022 | 794 |
| 2023 | 772 |
| 2024 | 764 |
| 2025 | 773 |
| 2026 | 739 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 381 | 51.6% |
| Women | 358 | 48.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2320 |
| 1961 | 2092 |
| 1971 | 1475 |
| 1981 | 1186 |
| 1991 | 1001 |
| 2001 | 957 |
| 2011 | 926 |
| 2019 | 834 |
| 2020 | 834 |
| 2021 | 808 |
| 2022 | 794 |
| 2023 | 772 |
| 2024 | 764 |
| 2025 | 773 |
| 2026 | 739 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 662 | 42.8% |
| Married | 708 | 45.8% |
| Divorced | 62 | 4.0% |
| Widowed | 114 | 7.4% |
School-Age Population (2026)
Total 0-18 years: 84
| Valore | |
|---|---|
| Nido (0-2) | 11 |
| Infanzia (3-5) | 10 |
| Primaria (6-10) | 17 |
| Medie (11-13) | 19 |
| Superiori (14-18) | 27 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Pietro in Cerro population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-pietro-in-cerro-033041" title="Population pyramid of San Pietro in Cerro — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-pietro-in-cerro-033041" alt="Population pyramid of San Pietro in Cerro — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>