Tarquinia is a medium-sized municipality in the province of Viterbo, Lazio region. With a population of 15.862 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 22.640 €.

Population Trend

Male/Female Ratio

15.862Totale
Men
Women

Demographic Statistics

Men7751
Women8111
Year2026

Demographic Indices

+0.04%
Annual change
change from the previous year
270.6
Ageing index
65+ / 0-14 × 100
61.8
Dependency ratio
(0-14 + 65+) / 15-64 × 100
176.6
Workforce replacement
60-64 / 15-19 × 100
164
Workforce structure
40-64 / 15-39 × 100
15.4
Child dependency
0-4 / women 15-49 × 100
48.62
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: 2206

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
954
Foreign-resident share: 6.02%
Main citizenships
Romania332
Ucraina83
India69
Tunisia66
Marocco33
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025