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San Pietro in Casale is a medium-sized municipality in the province of Bologna, Emilia-Romagna region. With a population of 13.206 inhabitants and a density of 198 per km², it covers an area of 66.5 km². The average declared income is 25.677 €.

San Pietro in Casale in numbers: the analysis

San Pietro in Casale has grown substantially since 1951: from 9,085 inhabitants then to 13,206 in 2026, an increase of 45.4%.

The generational balance is in line with the norm: the ageing index of San Pietro in Casale is 178 (over-65s per 100 under-14s).

Looking ahead to 2050, projections give San Pietro in Casale about 16,204 inhabitants, up 22.7% from today.

Among the 55 municipalities of the province of Bologna, San Pietro in Casale ranks 19 by population.

Population Trend

Grafico a linee
AnnoPopolazione
201912.441
202012.627
202112.678
202212.661
202312.849
202412.929
202512.991
202613.206

Male/Female Ratio

Grafico a ciambella
Valore%
Men657949.8%
Women662750.2%

Demographic Statistics

Men6579
Women6627
Year2026

Demographic Indices

+1.65%
Annual change
change from the previous year
177.6
Ageing index
65+ / 0-14 × 100
55.5
Dependency ratio
(0-14 + 65+) / 15-64 × 100
143.8
Workforce replacement
60-64 / 15-19 × 100
142.4
Workforce structure
40-64 / 15-39 × 100
18.4
Child dependency
0-4 / women 15-49 × 100
45.34
Average age
weighted average age

Births (recent years)

Grafico a barre
Valore
2021106
2022101
202399
202485
202583

Historical Population (1951-present)

Grafico a linee
AnnoPopulation
19519085
19618096
19717979
19818460
19918814
20019866
201111.736
201912.441
202012.627
202112.678
202212.661
202312.849
202412.929
202512.991
202613.206

Marital Status (2025)

Grafico a ciambella
Valore%
Single11.92845.9%
Married11.40843.9%
Divorced9923.8%
Widowed16546.4%

School-Age Population (2026)

Total 0-18 years: 2223

Grafico a barre
Valore
Nido (0-2)269
Infanzia (3-5)299
Primaria (6-10)600
Medie (11-13)395
Superiori (14-18)660

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
1895
Foreign-resident share: 14.59%
Main citizenships
Romania522
Pakistan420
Marocco162
Albania133
Tunisia69

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Use the San Pietro in Casale population pyramid on your site or article — the DatiItalia source link is already included.

Population pyramid of San Pietro in Casale — DatiItalia
<a href="https://datitalia.eu/comune/san-pietro-in-casale-037055" title="Population pyramid of San Pietro in Casale — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-pietro-in-casale-037055" alt="Population pyramid of San Pietro in Casale — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>
Source: ISTAT, MEF, ISPRA, EEA · Year: 2025 · updated Jun 28, 2026

Altri dati e servizi a San Pietro in Casale