Colle San Magno is a small municipality in the province of Frosinone, Lazio region. With a population of 603 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 16.332 €.

Population Trend

Male/Female Ratio

603Totale
Men
Women

Demographic Statistics

Men310
Women293
Year2026

Demographic Indices

-1.47%
Annual change
change from the previous year
322.8
Ageing index
65+ / 0-14 × 100
66.6
Dependency ratio
(0-14 + 65+) / 15-64 × 100
234.8
Workforce replacement
60-64 / 15-19 × 100
153.1
Workforce structure
40-64 / 15-39 × 100
14.3
Child dependency
0-4 / women 15-49 × 100
50.18
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: 72

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
19
Foreign-resident share: 3.1%
Main citizenships
Albania11
Romania5
Federazione russa1
Polonia1
Regno Unito1
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025