Castel San Pietro Romano is a small municipality in the province of Roma, Lazio region. With a population of 838 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 21.343 €.

Population Trend

Male/Female Ratio

838Totale
Men
Women

Demographic Statistics

Men410
Women428
Year2026

Demographic Indices

-1.41%
Annual change
change from the previous year
241.3
Ageing index
65+ / 0-14 × 100
48.3
Dependency ratio
(0-14 + 65+) / 15-64 × 100
194.3
Workforce replacement
60-64 / 15-19 × 100
148.9
Workforce structure
40-64 / 15-39 × 100
8.9
Child dependency
0-4 / women 15-49 × 100
46.95
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: 101

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
56
Foreign-resident share: 6.59%
Main citizenships
Romania25
Marocco9
Bangladesh4
Macedonia del Nord3
Costa Rica2
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025