Onano is a small municipality in the province of Viterbo, Lazio region. With a population of 865 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 16.648 €.

Population Trend

Male/Female Ratio

865Totale
Men
Women

Demographic Statistics

Men421
Women444
Year2026

Demographic Indices

0%
Annual change
change from the previous year
485.1
Ageing index
65+ / 0-14 × 100
82.9
Dependency ratio
(0-14 + 65+) / 15-64 × 100
220.6
Workforce replacement
60-64 / 15-19 × 100
192
Workforce structure
40-64 / 15-39 × 100
6.2
Child dependency
0-4 / women 15-49 × 100
53.28
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: 96

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
39
Foreign-resident share: 4.51%
Main citizenships
Marocco10
Romania7
Algeria4
Senegal4
Moldova3
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025