Marta is a small municipality in the province of Viterbo, Lazio region. With a population of 3211 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 19.789 €.

Population Trend

Male/Female Ratio

3211Totale
Men
Women

Demographic Statistics

Men1513
Women1698
Year2026

Demographic Indices

+0.34%
Annual change
change from the previous year
296.6
Ageing index
65+ / 0-14 × 100
67.4
Dependency ratio
(0-14 + 65+) / 15-64 × 100
183.3
Workforce replacement
60-64 / 15-19 × 100
162
Workforce structure
40-64 / 15-39 × 100
18.8
Child dependency
0-4 / women 15-49 × 100
49.35
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: 426

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
182
Foreign-resident share: 5.69%
Main citizenships
Romania54
Ucraina26
Tunisia16
Albania8
Polonia8
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025