Treviolo is a medium-sized municipality in the province of Bergamo, Lombardia region. With a population of 10.923 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 30.372 €.

Population Trend

Male/Female Ratio

10.923Totale
Men
Women

Demographic Statistics

Men5321
Women5602
Year2026

Demographic Indices

+0.49%
Annual change
change from the previous year
183.1
Ageing index
65+ / 0-14 × 100
52.3
Dependency ratio
(0-14 + 65+) / 15-64 × 100
146
Workforce replacement
60-64 / 15-19 × 100
139.4
Workforce structure
40-64 / 15-39 × 100
15.9
Child dependency
0-4 / women 15-49 × 100
45.45
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: 1816

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
700
Foreign-resident share: 6.44%
Main citizenships
Romania80
Albania76
Marocco58
Ucraina54
Bolivia51
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025