Sant'Antioco is a medium-sized municipality in the province of Sud Sardegna, Sardegna region. With a population of 10.404 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 18.496 €.

Population Trend

Male/Female Ratio

10.404Totale
Men
Women

Demographic Statistics

Men5097
Women5307
Year2026

Demographic Indices

-0.82%
Annual change
change from the previous year
405.2
Ageing index
65+ / 0-14 × 100
70.6
Dependency ratio
(0-14 + 65+) / 15-64 × 100
233.3
Workforce replacement
60-64 / 15-19 × 100
178.3
Workforce structure
40-64 / 15-39 × 100
11
Child dependency
0-4 / women 15-49 × 100
51.62
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: 1155

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
177
Foreign-resident share: 1.69%
Main citizenships
Romania30
Cina25
Germania11
Marocco9
Polonia7
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025