Castel d'Aiano is a small municipality in the province of Bologna, Emilia-Romagna region. With a population of 1969 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 22.345 €.

Population Trend

Male/Female Ratio

1969Totale
Men
Women

Demographic Statistics

Men1038
Women931
Year2026

Demographic Indices

+2.45%
Annual change
change from the previous year
376
Ageing index
65+ / 0-14 × 100
67.7
Dependency ratio
(0-14 + 65+) / 15-64 × 100
200
Workforce replacement
60-64 / 15-19 × 100
160.9
Workforce structure
40-64 / 15-39 × 100
16.8
Child dependency
0-4 / women 15-49 × 100
50.7
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2026)

0Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 237

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
179
Foreign-resident share: 9.31%
Main citizenships
Romania54
India27
Marocco26
Cina9
Tunisia9
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025